Mission NEET PG / INI CET 1.
5: Psychiatry
      “Your Course Completion, Our Responsibility"
        Psychiatry
(By Dr. Praveen Tripathi)
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                     Mission NEET PG / INI CET 1.5: Psychiatry
                   “Your Course Completion, Our Responsibility"
 BASICS
• Psychiatry
• History taking
• Informant
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                             Mission NEET PG / INI CET 1.5: Psychiatry
                           “Your Course Completion, Our Responsibility"
• Reliability of informant (5Cs)
   • C
   • C
   • C
   • C
   • C
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                         Mission NEET PG / INI CET 1.5: Psychiatry
                       “Your Course Completion, Our Responsibility"
• MSE (Mental Status Examination
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                            Mission NEET PG / INI CET 1.5: Psychiatry
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A. Mood & Affect
1. Quality
 a. Elevation of mood
       • Euphoria
       • Elation (↑PMA)
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 b. Dysphoria
 c. Depressed mood
2. Fluctuations
 a. Labile mood
 b. Affective flattening
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• MSE (Mental Status Examination)
B. Perception
1. Illusion
2. Hallucination
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Properties of hallucinations-
a. Occur in the absence of any object/stimulus
b. Are as vivid (detailed/clear) as a real perception
c. Occur in outer and objective space
d. Are not under wilful control
Pseudohallucinations
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One-liners (m/c)
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 Specific hallucinations
a.Hypnagogic hallucinations
b. Hypnopompic hallucinations
c. Reflex hallucinations (synesthesia)
d. Phantom limb (somatic hallucination)
e. Third-person auditory hallucinations
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                                Mission NEET PG / INI CET 1.5: Psychiatry
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C. Thought (cognition)
1. Disorders of stream (flow)
 a. Flight of Ideas
    Thoughts follow each other rapidly,
    connection between successive
    thoughts appears to be due to chance
    factors such as rhyming
    I live in Delhi, I like eating jelly,
    my cat has a big belly
    Mania
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b. Circumstantiality
c. Perseveration: Repetition of the same
response beyond the point of relevance.
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2. Disorders of form
  What is form?
   Thought 1: My name is Praveen & I am a Psychiatrist
   Thought 2: I practice in Delhi & Noida
   Formal thought disorders
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 Types of formal thought disorders
a.Derailment- Loss of connection between
successive thoughts.
b. Incoherence (Word salad)
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c. Tangentiality- Thought is related to goal in
a distant way, but the goal is never reached
d. Neologism
e. Metonyms (word approximation)
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f. Clanging (clang association)- Words are
associated with each other, as they sound
similar, and there may be a lack of any
meaningful connection.
E.g- I make sense
out of nonsense and nonsense is the
essence of turbulence of life
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3. Disorders of content
a. Delusion
   False belief
   Firm, fixed and unshakeable
(continues despite evidence against it)
   Unexplained by social, and cultural background
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 Types of delusions
a. Delusion of persecution
b. Delusion of reference
c. Delusion of grandeur/grandiosity
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d. Delusion of love (erotomania,
de Clerembault syndrome, fantasy lover syndrome)
e.Delusion of infidelity (morbid jealousy,
pathological jealousy, othello syndrome)
f. Delusion of guilt
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g. Nihilistic delusion (delusion of negation,
cotard syndrome)
h. Delusion of enormity- Patient believes that
their action will cause a catastrophe
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i. Delusion of misidentification
(misidentification syndrome)
 Capgras syndrome (Delusion of doubles): Patient
 believes that a familiar person has been replaced
 by a ‘similar looking stranger ’
   Close Person Got Replaced by A Stranger
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Fregoli syndrome- Patient believes that a familiar
person is changing the physical appearance and
disguising as a stranger. And that multiple
different appearances can be taken
  Familiar person giving goli
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4. Disorders of possession
  a. Thought insertion
  b. Thought withdrawal
  c. Thought broadcast
  d. Obsessions
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• MSE (Mental Status Examination)
F. Higher mental functions
1.Attention- Ability to attend to a specific
stimulus without getting distracted.
Test: Digit span test (digit repetition test)
2.Concentration- Sustained attention
Test: Serial 7 subtraction
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3. Memory
a. Immediate memory- For seconds
Test: Digit repetition test/Serial 7 subtraction
b.Recent memory- For min, hours or days
Test: 24-hour recall
c. Remote memory- For years
Test- Personal/historical information
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4. Insight
a. Grade 1- Complete denial
b.Grade 2- Awareness of being sick
but denying it at the same time
c.Grade 3- Aware of being sick but
attributing symptoms to external or
physical factors
d. Grade 4- Intellectual insight
e. Grade 5- Emotional insight
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                               Mission NEET PG / INI CET 1.5: Psychiatry
                             “Your Course Completion, Our Responsibility"
 PYQs (Previous year questions)
Q 1. A 40-year-old male patient presented to psychiatry OPD with the complaints of
having repetitive thoughts that, he feels are his own thoughts only. The thoughts
make him uncomfortable, and he has to wash his hands again and again. This is a
disorder of thought      .? (INICET-20)
A. Form
B. Flow
C. Content
D. Possession
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Q 2. Make the diagnosis based on the following
image? (NEET PG 16)
A. Capgras syndrome
B. Fregoli syndrome
C. Othello syndrome
D. Cotard syndrome
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SCHIZOPHRENIA & OTHER PRIMARY PSYCHOTIC
DISORDERS
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                            Mission NEET PG / INI CET 1.5: Psychiatry
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• Epidemiology
 A. Lifetime prevalence: 1%
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B. Age of onset
C. Late age of onset
D. Sex ratio
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• Etiology & Pathogenesis
A. Neurotransmitter hypothesis
   1. Dopamine hypothesis
   2. Dopamine & serotonin hypothesis
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B. Genetic factors
    DiGeorge syndrome (22q11.2 deletion,
    velocardiofacial syndrome)- 30% develop
    schizophrenia.
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• Symptoms
A. Positive symptoms
     Delusion
    Hallucinations
    Neurobiology
    Prognosis
    Antipsychotic response
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B. Negative symptoms    “Your Course Completion, Our Responsibility"
    A
    A
    Neurobiology
    Prognosis
    Antipsychotic response
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C. Disorganisation symptoms
     Disorganised behaviour
   Disorganised speech & thought
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D. Motor symptoms
 Stupor
 Waxy flexibility
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Posturing
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Echolalia
Echopraxia
Grimacing
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Ster eotypy
Mannerism
Perseveration
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E. Suicide & violence
 10% (5%-6%, 20%)
  Risk factors
    Major depressive episode
    Symptomatology
    Early, immediately after admission & discharge
    Young male, unemployed, comorbid substance use
    Paradoxical (less negative & affective symptoms)
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• Types (changes in ICD-11 & DSM-5)
• ICD-11, Catatonia, a separate diagnosis
    Catatonia associated with a mental
    disorder
    Catatonia induced by use of psychoactive
    substances and medications
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• Treatment
  • Antipsychotics (neuroleptics)
  • Duration
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• Antipsychotics
                           Typical (FGA)              Atypical (SGA)
       Mechanism
    Effective against
     Extrapyramidal
      symptoms &
   hyperprolactinemia
  Metabolic side effects
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• Typical antipsychotics
  Phenothiazines- Chlorpromazine,
    trifluoperazine, thioridazine, prochlorperazine,
    triflupromazine, fluphenazine, perphenazine
    Thioxanthenes- Thiothixene, flupenthixol
    Butyrophenones- Haloperidol, droperidol,
    penfluridol
    Miscellaneous- Pimozide, loxapine, molindone
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• Side effects
A. Movement disorders (Extrapyramidal
  symptoms)
    Cause
    More common?
1. Drug-induced par kinsonism
    Tremors (3-6 Hz), Rigidity, Bradykinesia
    Prophylaxis
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    Treatment
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2. Acute dystonia
    Earliest side effect
    Young males
    Torticollis, trismus,
    oculogyric crisis
    Pr ophylaxis
    Treatment
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3. Acute akathisia
    Commonest side effect
    Subjective feeling & objective signs
    Treatment
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4. Tardive dyskinesia
    Involuntary movement of jaw (chewing
    movements), lips (pouting, puckering,
    smacking) or extremities
    Choreiform (rapid, jerky, nonrepetitive) or
    athetoid movement (slow, sinusoid)
    Rabbit syndrome
    Cause
    Treatment- Change the antipsychotic,
    valbenazine, tetrabenazine
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5. Neuroleptic malignant syndrome
    Fever
    Rigidity
    Increased CPK
    Autonomic disturbances
    Diaphoresis
    Altered consciousness
    Tremors
    Leukocytosis
    Liver enzyme elevation
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5. Neuroleptic malignant syndrome
    Pathophysiology
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5. Neuroleptic malignant syndrome
    Corpus striatum
    Hypothalamus
    Spinal neurons
    Raised CPK
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5. Neuroleptic malignant syndrome
    Treatment
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B. Endocrine side effects
    Mechanism
    Galactorrhea, menstrual disturbances
    (females)
    Sexual dysfunction, lower libido (males)
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• Atypical antipsychotics
    Serotonin dopamine antagonists
    Clozapine, olanzapine
    Risperidone, paliperidone, iloperidone
    Quetiapine, ziprasidone, aripiprazole
    Sertindole, zotepine, lurasidone
    Asenapine, amisulpride
    Brexpiprazole, cariprazine, pimavanserin
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• Side effects
A. Movement disorders (Extrapyramidal
  symptoms)
B. Endocrine side effects
C. Metabolic side effects
D. Sedation, QTc prolongation & seizures
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• Clozapine
    Important points
    DOC
    Unique mechanism of action- More affinity for
   D4 than D2
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• Side effects
    Agranulocytosis, myocarditis, seizures
    Sedation (most common), sialorrhea
    Syncope, hypotension, tachycardia, nausea,
    vomiting
    Weight gain, anticholinergic side effects
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• ANC and TLC monitoring
    First six months
    Next six months
    Till clozapine is continued
• Stop, if WBC<3000/dl or ANC <1500/dl
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•   Long-acting injectable antipsychotic (depot
    antipsychotic)
       Indication
       Technique
      Risperidone, paliperidone, olanzapine,
      aripiprazole
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• Treatment of catatonia
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• Prognosis
       Good prognostic factors            Bad prognostic factors
        Acute or abrupt onset                  Insidious onset
       Advanced age (>35 yrs)              Early onset (<20 yrs)
             Female sex                           Male sex
    Prominent positive symptoms       Prominent negative symptoms
   Presence of affective symptoms     Absence of affective symptoms
   Family history of mood disorders   Family history of schizophrenia
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• Other psychotic disorders
 A. Acute psychotic disorders
    Acute onset
    Symptoms
    Stressors
    Often resolve completely
    Do not meet the duration criterion of
    schizophrenia
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A. Acute psychotic disorders
   ICD-11 : Acute & transient psychotic
  disorders
   Duration of symptoms
   DSM-5
   a. Brief psychotic disorder (< 1month)
   b. Schizophreniform disorder (1-6 months)
  Treatment
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B. Delusional disorder
   Delusion
   Hallucination
   Functioning
   Types
   Persecutory, infidelity, grandiosity, delusional
   parasitosis (matchbox sign) etc.
   Treatment
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 PYQs (Previous year questions)
Q 1. Which of the following is not a correct statement about the mechanism of
action of antipsychotics? (INICET-22)
A. D2 receptor blockade improves positive symptoms
B. 5HT1A receptor blockade improved positive symptoms
C. 5HT2A blockade helps improve negative symptoms
D. M1 blockade helps in reducing extrapyramidal side effects
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Q 2. A psychotic patient presented with purposeless movements &
was once observed to stand still in the ward for long periods of time.
On examination he had negativism and waxy flexibility. What is the
appropriate medical management for this patient? (INICET-20)
A. Haloperidol
B. Clonidine
C. Propranolol
D. Lorazepam
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MOOD DISORDERS (DEPRESSIVE DISORDERS)
• Major depressive disorder (depressive disorder)
• More common
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• Suicide rate
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• Symptoms (SIGECAPSS)
   A. S
   B. I
   C. G
   D. E
   E. C
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• Symptoms (SIGECAPSS)
 F. A
 G. P
 H. S
 I. S
• 5 out of 9, 1 out 2
• Duration criterion
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• Specifiers
    A. Psychotic symptoms/features (psychotic
       depression)
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• Specifiers
    B. Atypical features (atypical depression)
       1. Reversed biological features
       2. Mood reactivity present
       3. Leaden paralysis
       4. Extreme sensitivity to interpersonal
         rejection
       5. Treatment implications
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• Specifiers
    C. Melancholic features (melancholic
depression)
       1. Significant biological features
       2. Significant mood symptoms
         a. Feeling of misery
         b. Worse in morning
         c. Lack of reactivity/anhedonia
      3. Excessive guilt, PMA/PMR
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• Specifiers
   D. Catatonic features
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• Etiology
A. Monoamine hypothesis
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B. Psychological theories
1. Cognitive theory
  ANT
 Beck’s cognitive triad
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• Treatment
A. Pharmacotherapy
B. Psychotherapy
C. Other somatic treatments
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A. Pharmacotherapy
 Chosen on the basis of?
 First line
 Onset of action
 Maximum therapeutic effect
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1. Tricyclic and tetracyclic antidepressants (TCAs)
  Blocks serotonin & norepinephrine reuptake
 transporters
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•   Side effects - Due to alpha-adrenergic receptors
    blockade, cardiac sodium channel blockade
      Postural hypotension
      QT prolongation
      Tachycardia, rarely hypertension
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• Other side effects
 a. Sedation (H1 blockade)
 b. Weight gain
 c. Tremors
d.Seizures (excessive serotonin &
norepinephrine receptors blockade)
  e. Hyperprolactinemia (mostly with amoxapine)
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• TCA toxicity
  Narrow therapeutic index
  CVS - hypotension, tachycardia, chest pain
  CNS - altered sensorium, respiratory
 depression, convulsions
  ANS - dry mouth, blurred vision, urinary
 retention
  Tissue hypoxia - Metabolic acidosis
  ECG- prolonged PR, QRS and QT interval, AV
 block, right axis deviation
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• Management of TCA toxicity
  If QRS > 100 ms, serum alkalinization using i.v.
 sodium bicarbonate is the mainstay of treatment
  If immediately administered - Gastric lavage and
 activated charcoal
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2. Selective serotonin reuptake inhibitors (SSRIs)
  Mechanism
  Fluoxetine, fluvoxamine, citalopram,
 escitalopram, sertraline, paroxetine & vilazodone
  Side effects
    a. GI - nausea (most common), diarrhoea,
       constipation (more common with
       paroxetine), anorexia
    b. Sexual - Most common long term, low libido,
       delayed orgasm
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  Side effects
   c. CNS- anxiety, insomnia, sedation, vivid
dreams, sweating, seizures, emotional blunting,
EPS
 d. Weight gain
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3. Serotonin norepinephrine reuptake inhibitors
(SNRIs)
  Mechanism
  Venlafaxine, desvenlafaxine, duloxetine,
 milnacipran, levomilnacipran
  Severe depression?
  Side effect profile
  Hypertension
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• Discontinuation syndrome (FINISH)
    F - Flu like symptoms (fatigue, aches etc)
    I - Insomnia
    N - Nausea
    I - Imbalance (vertigo)
    S - Sensory disturbances (paraesthesia)
    H - Hyperarousal (anxiety, irritability)
• Venlafaxine, paroxetine, fluvoxamine
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4. Atypical antidepressants
• Trazodone & nefazodone
 Trazodone - priapism
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• Mirtazapine
    NSSA (noradrenergic & specific serotonergic
    antidepressant)
    Side effects- sedation, wt gain and vivid
    dreams
    Minimal sexual side effect
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• Bupropion
    NDRI
    Side effects- insomnia, restlessness, seizures
    Minimal risk- sexual side effects, weight gain
   or sedation
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• Ketamine
  • i.v. infusion at sub anaesthetic dosages
  • rapid onset of action (particularly useful in
   case of suicidal ideation)
  • FDA-approved nasal spray of esketamine (s
   enantiomer of ketamine) for TRD, along with
   oral
  • Administered?
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B. Psychotherapy
1. Cognitive behavioural therapy
  • ANT & Cognitive distortions
  • Mild depression
  • Pregnancy & breast feeding
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C. Other somatic therapy
1. Electroconvulsive therapy
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2.Transcranial magnetic stimulation
  Non convulsive, no anaesthesia required
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• Recurrent depressive disorder
• Dysthymia
• Double depression
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MOOD DISORDERS (BIPOLAR DISORDERS)
• Bipolar type I - Mania/Mixed + Depression
• Bipolar type II - Hypomania + Depression
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Epidemiology
• Lifetime prevalence of Bipolar I - 1%
• Sex ratio
     Bipolar I - Roughly equal (1.1:1)
     Bipolar II
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• Mean age of onset
    Bipolar I - 18 yrs
    Bipolar II - Mid 20s
• Suicide rate
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Symptoms of Mania (My Asia FAST GDP)
• M
• A
• F
• A
• S
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• T
• G
• D
• P
• 5 out of 9, both 1 and 2
• Duration-
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                         Mission NEET PG / INI CET 1.5: Psychiatry
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• Specifiers
  Psychotic symptoms
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• Hypomania
 Symptoms
 Severity
 Impair ment
 Duration
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• Rapid cycling in bipolar disorders
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Treatment of bipolar disorder
• Acute manic episode or mixed episode
    Mood stabiliser monotherapy (Lithium ,
    Valproate/Divalproex, Carbamazepine)
    Atypical antipsychotic monotherapy
    Combination
    Severe symptoms/ Less severe
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Treatment of bipolar disorder
• Acute manic episode or mixed episode
 DOC for acute mania
    DOC for severe mania
    Combination in options
    For mixed episode - Valproate > Lithium
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Treatment of bipolar disorder
• Acute depression (bipolar depression)
 Mood stabilisers (Lithium, lamotrigine)
 Olanzapine + Fluoxetine
    Quetiapine
    Mood stabilisers + antidepressants
    ECT
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Treatment of bipolar disorder
• Acute depression (bipolar depression)
 Concept of manic switch Treatment
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Treatment of bipolar disorder
• Maintenance treatment
 Lithium   or   valproate
 Atleast 2 years
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 Lithium
• First effective use
• Monovalent cation (like Na+)
• Rapid and complete absorption after oral intake
• T1/2 - Initially 1.3 days, later 2.4 days (> 1 yr)
• Doesn't bind to plasma proteins, not metabolised,
 excreted unchanged through kidney
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Therapeutic drug monitoring
• Acute mania- 1.0-1.2 mEq/L
• Maintenance treatment- 0.4-0.8 mEq/L
• Usually toxicity > 1.5 mEq/L
• Monitoring : After 12 hours of the last dose
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 Side effects
 A. Neurological side effects
• Postural tremors (beta blockers)
• Lack of spontaneity
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 B. Endocrine
• Hypothyroidism
• Rarely hyperthyroidism, hyperparathyroidism
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 C. Renal
• Most common is polyuria (mechanism?),
  secondary polydipsia
• May progress to Diabetes insipidus
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D. Dermatological side effects
• Acne, psoriasis (worsening), hair loss, rashes
E. Nausea, vomiting, wt gain, leukocytosis
F. Teratogenic side effect
• Ebstein’s anomaly
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 Lithium toxicity         “Your Course Completion, Our Responsibility"
• Diet, diuretics , Diarrhea (hypovolemia,
  hyponatremia)
• Narrow TI (>1.5 mEq/dL)
• GI symptoms- Abdominal pain, vomiting
• CNS symptoms
  •   coarse tremors, ataxia, dysarthria
  • muscle fasciculations, increased DTR,
    convulsions, impaired consciousness, death
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   Management           “Your Course Completion, Our Responsibility"
• Stop lithium
• Correct dehydration
• Use of sodium polystyrene sulphonate or
  polyethylene glycol (to remove unabsorbed
  lithium from GI)
• Hemodialysis, in severe cases
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Pregnancy and mood stabilisers
• Risk of relapse?
• Lithium
  • High resolution ultrasound and
    echocardiography- 6th and 18th week
  • Chances of toxicity
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• Valproate        “Your Course Completion, Our Responsibility"
• Carbamazepine
• Lamotrigine
• Antipsychotics
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  Psychiatric aspects of pregnancy
• Postpartum blues (baby blues)- 30-75% of
  females
  • Transient symptoms like tearfulness,
    sadness, mood lability and sleep
    disturbances.
  • Onset in 3-5 days
  • Lasts for days to weeks, support to mother is
    enough
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• Postpartum depression “Your Course Completion, Our Responsibility"
   • More severe
   • DSM-5: Depressive episode with peripartum
     onset
   • 10-15%, In 3 months of delivery
   • Sadness, tearfulness, lability, sleep
     disturbances
   • Anhedonia, suicidal thoughts/thoughts of
     harming baby, guilt
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 Postpartum psychosis       “Your Course Completion, Our Responsibility"
• Within 2-3 weeks
• Initial- tearfulness, insomnia, lability
• Delusions and hallucinations (baby is dead,
  didn’t give birth)
• Risk of harm to self or baby
• Episode of bipolar disorder
• Mostly recovery is complete
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• SUICIDE                “Your Course Completion, Our Responsibility"
• 12 per lakh of population (NCRB 2021)
• Method
• CSF levels of 5 HIAA (5 hydroxyindoleacetic
  acid)
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 Causes                  “Your Course Completion, Our Responsibility"
• Depression
• Schizophrenia
• Alcohol dependence
• Borderline personality and antisocial
  personality disorder
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   Risk factors            “Your Course Completion, Our Responsibility"
• Previous suicide attempt
• Signs of suicidal intent (writing a suicide note)
• Hopelessness
• Male sex
• Age> 45 years
• Substance abuse
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• Delusions/Hallucinations
• Divorced, separated
• Unemployed
• Chronic illness
• Family history of suicide
• Poor social support
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• Parasuicide           “Your Course Completion, Our Responsibility"
• Paradoxical suicide
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Anxiety or Fear related disorders
A. Panic disorder
• Panic attack
  • An acute attack of intense anxiety, with a ‘feeling
    of impending doom’
  • Palpitations, choking sensations, chest pain,
    dizziness, depersonalisation, derealisation
• Panic disorder
Differential Diagnosis
• Myocardial Infarction, angina, cardiac arrhythmias, mitral valve
  prolapse
• Acute asthma, COPD, Pulmonary embolism
• Pheochromocytoma, carcinoid syndrome, hyperthyroidism,
  hypoglycemia
• Anaemia, seizure disorder
Treatment
• Combination
• Pharmacotherapy
  • Benzodiazepine & SSRIs
  Psychotherapy
  • Cognitive behavioural therapy
B. Agoraphobia
• Fear of places from which escape might be difficult
   ❖ Fear of open spaces
   ❖ Fear of crowded places
   ❖ Fear of enclosed places
   ❖ Fear of travelling alone
   ❖ Fear of public transport
• Home bound
• Agoraphobia and panic disorder are usually comorbid
Treatment
• Combination
• Pharmacotherapy
  • Benzodiazepines & SSRIs
• Psychotherapy
  • Cognitive behavioural therapy
  • Behavioural therapy
C. Specific Phobias
• Strong, persistent & irrational fear of an object or a situation
Common Phobias
    Nyctophobia          Dark
     Acrophobia        Heights
   Claustrophobia   Closed spaces
    Ailurophobia         Cats
    Cynophobia          Dogs
    Mysophobia      Germs or dirt
     Pyrophobia          Fire
    Xenophobia        Strangers
   Thanatophobia        Death
    Hydrophobia         Water
Treatment
• SSRIs, benzodiazepines, Behavioural therapy
❖ Systematic desensitisation
❖ Therapeutic graded exposure (or exposure and response
  prevention or in vivo exposure)
❖ Flooding (implosion technique)
Social Anxiety Disorder (Social Phobia)
• Fear of social situations (fear of embarassment)
• Treatment same as other phobias
Generalised Anxiety Disorder
• Free-floating anxiety
• Excessive worries
• Somatic symptoms of anxiety
   • Restlessness, easy fatigue, muscle tension
   • Poor concentration, insomnia, irritability
• Treatment
   • SSRIs, BZDs
   • CBT
• Separation anxiety disorder
• Selective mutism
Obsessive compulsive & related disorders
A. Obsessive-compulsive disorder
• Obsessions are-
   • Recurrent, intrusive thoughts, images or
     impulses, which cause anxiety
   • Patient considers them as a product of their own
     mind (D/d thought insertion)
   • Patient finds them excessive, irrational and
     senseless, at some time during the illness (D/d
     delusions)
   • Patient try to resist or neutralize them
• Compulsions are
  • Repetitive behaviours / mental acts performed in
    response to obsessions
  • They reduce anxiety temporarily
• Ego dystonic (not acceptable to self)
• Duration criterion
• Lifetime prevalence: 2-3%
• M/c comorbidity
 Etiology
• Neurotransmitter
• Circuit involved
   • Cortico-striato-thalamico-cortical tract
• Symptom patterns
❖ Obsession of contamination with compulsion of
  washing and avoidance (m/c)
❖ Pathological doubt with compulsions of checking
  (second m/c)
❖ Intrusive thoughts (usually with mental compulsions)-
  sexual, aggressive and religious content
❖ Symmetry or precision with compulsion of slowness
❖ Magical thinking- Just because they thought about an
  event, it will occur in reality
Treatment
• Combination of pharmacotherapy and
  psychotherapy
• Pharmacotherapy
  ❖ SSRIs and clomipramine
  ❖ Antipsychotics (augmentation)
  ❖ Li, Valproate, carbamazepine, venlafaxine
• Psychotherapy
  ❖ Exposure and response prevention (kind
    of CBT/BT)
B. Hoarding Disorder
• Inability to discard things, that are of little or
  no value
• Fear of losing something important
• DSM-5 and ICD-11 changes
• SSRIs and CBT
• Exposure and response prevention is not so
  effective
C. Body dysmorphic disorder
• Preoccupation with an imagined
  defect/slight anomaly in physical
  appearance
• Repetitive behaviours
• Usually hair, nose or skin
D. Body focussed repetitive behaviour
• Repetitive actions directed at integument (skin,
  hair) and inability to stop them
• Trichotillomania
 ➢ Repetitive pulling of hair
 ➢ Trichophagy
 ➢ Trichobezoar
• Excoriation disorder
 ➢ Repetitive picking of skin
Trauma and stressor related disorders
A. Post traumatic stress disorder
• Follows a significant traumatic event or
  repetitive events that involve exposure to
  actual/threatened death, serious injury or
  sexual violence to self or others
• E.g.
Clinical symptoms
• Intrusion symptoms: Flashbacks, vivid
  memories, nightmares
• Avoidance
• Arousal symptoms
• Other symptoms
Treatment
• SSRIs
• CBT (treatment of choice)
• Eye movements desensitisation and reprocessing (EMDR)
B. Acute stress disorder
• DSM diagnosis
• Symptoms similar
• More than 3 days and less than 1 month
C. Adjustment disorders
• Events which are critical but not uncommon in the course
 of life
• Relationship issues, change of job, migration, death of a
 loved one
• Symptoms
• Adjustment disorder and depression
• Treatment
Somatic symptoms & related disorders
(somatoform disorder)
A. Somatic symptom disorder (Bodily distress disorder)
• One or more somatic symptoms (MUS)
• Excessive thoughts, excessive feelings, excessive
  behaviours
B. Illness anxiety disorder (Hypochondriasis)
• Preoccupation with having or acquiring a serious
 physical illness
• Despite investigations and medical reassurances
• Excessive thoughts, feelings and behaviours
• Difference ?
• Management
C. Conversion disorder (Dissociative neurological
symptom disorder)
• Symptoms suggestive of motor, sensory or
 cognitive deficit,
• Do not confirm to anatomical and physiological
 principles
• La belle indifference.
• D/d Acute intermittent porphyria
D. Factitious disorder (Munchausen syndrome)
• Wilful production of symptoms to get medical attention
• Relation to medical field
• Pseudologica fantastica
• Sick role
• Munchausen syndrome by proxy
Dissociative disorders
• Dissociation is disruption in normally integrated
  functions of memory, identity, perception,
  consciousness and motor behaviour
• Produced by ‘psyche’, unconscious symptoms
• Onset?
Types
1. Dissociative amnesia
• Sudden loss of autobiographical memory (usually for
  a traumatic event)
2. Dissociative fugue
• Sudden, unexpected travel (unexpected but a place
  with emotional significance)
• May involve confusion about identity
3. Depersonalization/derealization disorder
• Depersonalization
 ➢Feeling of unreality of self
 ➢Feeling of being detached from body and watching
  self, like in a movie
 ➢ás if’ they have changed
• Derealization
 ➢feeling of unreality of the world, world appears fuzzy,
  dream like
• Reality testing is intact.
SUBSTANCE RELATED
         &
ADDICTIVE DISORDERS
Terminology
A. Dependence
   • Inability to regulate the use of a substance after
     repetitive or continuous use. Characterised by a
     strong drive to use the substance.
Alcohol
Acute intoxication
• CNS depressant
• 20-30 mg/dl- Slow motor performance and
 decreased thinking ability (legal limit: 30 mg/dl)
• 30-80 mg/dl: Further worsening
• 80-200 mg/dl: Incoordination, emotional lability and
 judgement errors
• 200-300 mg/dl: Slurred speech, nystagmus, alcoholic
 blackout
• >300 mg/dl: Impaired vital signs & possible death
• Alcoholic blackout- anterograde
  amnesia, at that time behaviour
  appears to be goal directed, no
  confusion observed
Alcohol withdrawal
• After 6-8 hours: Tremors (m/c), nausea,
 vomiting, anxiety, hypertension, mydriasis
• After 12-24 hours:
• After 24-48 hours:
• After 48-72 hours:
Alcohol induced neurocognitive disorders
• Amnestic disorders characterised by disturbances in
  short term memory
A. Wernicke’s encephalopathy- Acute complication
  • Symptoms
  • Cause
  • Treatment
B. Korsakoff syndrome- Chronic complication
 • Symptoms
 • Cause
 • Treatment
 • Prognosis is guarded
Treatment
A. Detoxification
 • Benzodiazepines
 • In presence of liver damage
 • Thiamine administration
 • For delirium tremens
B. Maintenance of abstinence (relapse prevention)
• Pharmacological agents
  • Anticraving agents
     o Naltrexone, acamprosate
     o Topiramate, baclofen, serotonergic agents like
        fluoxetine
  • Deterrent agents (aversive agents)
     o Disulfiram (disulfiram ethanol reaction)
OPIOIDS
• Heroin, Morphine, codeine etc.
Intoxication
  • Euphoria, initial euphoria followed by period of
   sedation (nodding off)
  • Slow respiration, hypothermia, hypotension,
   bradycardia, pin point pupil, cyanosis
  • Overdosage
   • Lethal
   • DOC
Withdrawal symptoms
• Flu like syndrome
 o Lacrimation, rhinnorhea, sweating, diarrhoea
 o Yawning and piloerection
 o Mydriasis
 o Body ache and insomnia
 o Hypertension, anxiety, tachycardia
Treatment
• Detoxification
  o Methadone, buprenorphine,
    dextropropoxyphene
• Maintenance of abstinence
 o Opioid substitution therapy- methadone, buprenorphine
 o Naltrexone
• Narcotic anonymous
 Cannabis
• δ-9 tetrahydrocannabinol (THC)
• Street name- Joints, marijuana, grass, pot, weed etc
• Intoxication
   o Euphoria, sense of slowing of time, sense of floating in air, reddening of
      conjunctiva, increased appetite, dryness of mouth
   o Depersonalization, Derealization, synaesthesia
• Withdrawal symptoms
   o Irritability
Cannabis related disorders
• Flashback phenomenon
• Amotivational syndrome
• Running amok
Hallucinogens
• LSD (lysergic acid diethylamide), mescaline,
  psilocybin, methylenedioxyamphetamines (MDMA,
  ecstasy), phencyclidine (angel dust), ketamine
• No withdrawal symptoms
• Flashback phenomenon
• Treatment
Cocaine
• Erythroxylum coca
• Was prepared as a LA
 o Blocks fast sodium channel
 o ENT surgery
• Blocks dopamine and norepinephrine receptors
 o Vasoconstriction : HTN, MI
 o Nasal septal perforation
 o Seizures
 o Jet black pigmentation of tongue
• Intoxication
• Euphoria
• Sympathetic symptoms (tachycardia,
 palpitations, hypertension, sweating, mydriasis)
• Tactile hallucinations or cocaine bugs or magnan
 phenomenon or formication
Tobacco
• Most common substance used in India
Withdrawal symptoms
• Within 2 hours, peak in 24-48 hours
 o Irritability
 o Poor concentration
 o Anxiety, restlessness
 o Bradycardia
 o Drowsiness but paradoxical insomnia
 o Increased appetite, wt gain
 o Depression
 o Constipation
Treatment
• Nicotine replacement therapy
• Medications
  o Varenicline
  o Mechanism of action
  o Partial agonist- Prevents high and reinforcement and also craving
    and withdrawal
  o Nausea, insomnia, ?? suicidal thoughts
• Bupropion
Personality Disorders
 Cluster A PD
1. Paranoid PD
  o Suspiciousness
  o Keep grudges
  o Conspiracy theories
2. Schizoid PD
  o Prefer solitary activities
  o Emotionally cold and detached
  o Indifferent to praise or criticism
3. Schizotypal PD
  o Odd and eccentric thinking & behaviour
  o Magical thinking
  o Illusions and momentary hallucinations
Cluster B PD
1. Histrionic PD
  o Dramatic & exaggerated emotions
  o Need to be the centre of attention
  o Behave in sexually seductive way & use physical
    appearance
2. Narcissistic PD
  o Excessive self importance (grandiose)
  o Belief about being special and talented
  o Fantasies of unlimited success and power
3. Antisocial PD (Dissocial PD)
  o Unlawful behaviour
  o No regards for rights of others & violations
  o Lack feelings of guilt and remorse
  o Substance use disorders
4. Borderline PD (emotionally unstable PD)
 o Emotional instability
 o Impulsivity
 o Intense but unstable relationships
 o Self injurious behaviour
o Psychotherapy (dialectical behaviour therapy),
Cluster C PD
1. Avoidant (anxious) PD
  o Excessive sensitivity to rejection
  o Fear of being criticised or not accepted by others
  o Avoid social activities
2. Dependent PD
  o Let others take decisions of their lives
  o Need reassurance for mundane decisions too
3. Obsessive compulsive PD (anankastic PD)
  o Preoccupied with rules and regulations
  o Excessively organised
  o Perfectionism that slows them down
  o Stubborn & inflexible
  o No time for leisure, no sense of humour
Impulse control disorder
• Failure to resist an impulse or drive
• For an act harmful to self/others
• Feeling of increasing tension, and
  arousal
• After performing behaviour, sense of
  relief or gratification, later guilt
 Types
• Pyromania
• Kleptomania
• Intermittent explosive disorder
• Compulsive sexual behaviour disorder (Satyriasis,
  nymphomania)
• Others- Oniomania, mutilomania
EATING DISORDERS
Anorexia Nervosa
 Symptoms
• Restriction of energy intake resulting in significantly less weight than normal
   • BMI <18.5 kg/m² (ICD-11)
   • Severity
• Disturbance of body image
• Excessive fear of wt gain
• Medical signs and symptoms of starvation such as
   • amenorrhea, lanugo (neonatal hairs)
   • hypothermia, dependent edema
   • bradycardia.
• Poor sexual development (adolescents), low interest
 in sexual activities (adults)
• Secretive and deny any symptoms
Adolescent females
Misnomer
Subtypes
• Restricting type- 50%
• Binge eating/purging type
Treatment
Treatment
 • Hospitalisation (dehydration/electrolyte
   imbalance/significant weight loss?)
 • Behavioural therapy
 • SSRIs, TCAs, cyproheptadine
 • In case of failure to gain weight (??)
  BULIMIA NERVOSA
• Females, late adolescence
• Episodes of binge eating
• Followed by inappropriate ways of stopping wt gain
 o Purging (??)
 o Hypergymnasia
• Fear of gaining weight
• Purging:
 o Dental caries (enamel erosions)
 o Callous on knuckles,
 o Parotitis (salivary gland inflammations),
 o Hypokalemic and hypochloremic alkalosis
 o Rarely oesophageal or gastric tear during forceful vomiting
• Weight is usually normal
• Normal sexual functioning
• Not secretive
• T/t- Cognitive behavioural therapy, SSRI
Binge eating disorder
• Most common eating disorder
• Only binges , no compensatory behaviour
• Overweight
SLEEP DISORDERS
Dyssomnias- Abnormality in duration or quality of sleep
1. Hypersomnia
A. Narcolepsy: Reduced latency of REM sleep
  Symptoms
  • Hypnagogic and hypnopompic hall
  • Cataplexy: Sudden loss of muscle tone
  • Sleep attacks: Irresistible urge to sleep
  • Sleep paralysis
Etiology
• Deficiency of hypocretin
• Hypocretin neurons project from hypothalamus
• Immune-mediated disorder
• Strong association with human leucocyte
 antigen class II (HLA-DR2 and HLA-DQB1*0602)
Management
• Forced naps, modafinil
2. Insomnia
A. Periodic limb movement disorder
  • Sudden contractions of muscle groups (usually legs) while
    sleeping
  • Partial or complete awakening during night
  • Bed partner is aware (patient is usually not)
  • Non restorative sleep, day time sleepiness
  • Benzodiazepines
B. Restless leg syndrome (Ekbom syndrome)
  • Uncomfortable sensation in legs (such as insect
    crawling), which gets relieved by moving the leg or
    walking around
  • Difficulty in initiation of sleep
  • Ropinirole
Parasomnias
• Characterised by dysfunctional events
A. NREM disorder (usually in NREM 4, NREM 3)
• Night terror or sleep terror or pavor nocturnus
• Somnambulism
 o Sleepwalking
 o More complex activities like dressing, move around or driving
• Sleep related enuresis
  o Usually psychogenic (in children ‘sibling rivalry’)
  o Rule out organic causes (e.g DM, DI, UTIs, obstructions)
  o TOC- Bed alarms (behavioural therapy)
  o Desmopressin, TCAs (like imipramine)
o Bruxism (teeth grinding)- NREM II
o Sleep talking
B. Nightmare
SEXUAL DISORDERS
• Gender
• Gender dysphoria (gender incongruence)
A. Gender dysphoria of childhood
  o Dress & activities (play) of opposite gender
  o Desire to be of opposite gender, but usually no rejection of
    anatomical structures
B. Gender dysphoria in adolescents & adults
  o Desire to live and be treated as the other gender.
  o Discomfort with one’s anatomical sex organs
  o Desire to change the sex organs & convert into opposite
    gender
  o ‘I am a man trapped in a women’s body’ or vice versa
Erectile dysfunction (male erectile disorder)
      • Most common cause: Psychogenic
      • Most common organic cause: Diabetes
                   Psychogenic ED   Organic ED
History of early
    morning
erections and            +              -
   nocturnal
   erections
      Penile
                         +              -
plethysmography
Nocturnal penile
                         +              -
 intumescence
• Treatment of ED
  o PDE-5 inhibitors like sildenafil, tadalafil
  o Oral phentolamine
  o Injectable & transurethral alprostadil
• Dual sex therapy (or sex therapy)
  o Masters & Johnsons technique
  o Couple is treated
  o Improve communication
  o Sensate focus exercise
3. Disorders of orgasm phase
• Premature ejaculation
  o DSM-5 , < 1 min
  o Psychogenic
  o SSRIs
  o Squeeze technique (coronal ridge of glans)
  o Stop start technique (semans technique)
  o Sex therapy
CHILD PSYCHIATRY
Attention Deficit Hyperactivity Disorder
• Symptoms
  A. Inattention
  B. Hyperactivity
  C. Impulsivity
Pharmacotherapy
     Stimulants          Non stimulants
  Methylphenidate,
                          Atomoxetine
 dexmethylphenidate
   Amphetamines            Bupropion
     Modafinil        Clonidine, guanfacine
                          Venlafaxine
Pervasive developmental disorders
➢ Group of neurodevelopmental disorder
A. Autism
• Impairment in social interaction
 o Poor eye contact, lack of social smile and anticipatory
    posture
 o Poor attachment to parents and others
 o Difficulty in making friends
• Restricted, repetitive behaviours
 o Repetitive plays
 o Stereotyped movements like hand wringing, spinning and head
    banging
• Impairment of communication and language
 o Delayed language milestones
B. Rett’s disorder (Rett’s syndrome)
• Females
• Normal development till 5 months, between 5-48 months
  o Deceleration of head circumference (microcephaly)
  o Loss of acquired hand skills and speech
  o Poor gait
  o Three symptoms of autism
  o 75% have seizures
ICD-11 & DSM-5 update
• Autism spectrum disorder
• Language dysfunction has been removed as a criterion
Mental Retardation (Intellectual disability)
• Incomplete development of intellectual functions and
 adaptive skills
• IQ = Mental age/chronological age X 100
          Normal                     90-109
        Borderline                      70-89
          Mild MR                       50-69
          Mod MR                        35-49
        Severe MR                       20-34
       Profound MR                       <20
• Down’s syndrome, followed by Fragile-X syndrome
• Behavioural problems: Contingency management
Learning disorders
• Significant impairment in one or more scholastic
 skills, out of proportion to intellectual functioning
 (usually IQ is normal)
• Specific reading disorder (dyslexia)
• Disorders of written expression (specific spelling
 disorder)
• Specific disorders of arithmetic skills
• Mixed disorders
Disruptive behaviour disorders
A. Conduct disorder- Pattern of ‘disregard for
rights of others’ and aggressive and dissocial
behaviour
 • Stealing , repeated lying, aggression,
    bullying, cruelty towards animals,
    disobedience, running away from school
 • Later development of antisocial personality
    disorder
B. Oppositional defiant disorder- Negativistic and defiant
behaviour towards adults and authority figures
Management
  • Behavioural therapy, Family therapy
  • Low dose antipsychotics
PSYCHOANALYSIS
• Father of psychoanalysis
• What does it say?
• In 1900, Freud published ‘Interpretation of dreams’
• Topographical theory of mind
 o Conscious
 o Preconscious- "Repression"
 o Unconscious - Distressing memories and
   instinctual drives
• Free association
 o Unguided communication
• Abreaction: Recall of memory with release of emotions
• Transference- Feeling that patient develops
  for the doctor.
• Counter transference
• Structural theory of mind
  o Id- Pleasure principle
  o Ego- Reality principle
  o Superego- Moral principle
DEFENSE MECHANISMS
• Mechanisms used by ego to prevent buildup
 of excessive anxiety.
• Unconscious
• Denial : Refusal to accept the reality
• Projection: Transfer of feelings about a person, on to, that
  person. Involved in development of hallucinations and
  delusions
• Displacement: Transfer of emotions from one individual to
 another. Involved in phobias.
• Repression: Loss of memory and loss of access to it
• Rationalisation: Giving a logical reason for an unacceptable
 behaviour. Involved in substance use disorder.
• Reaction formation: Transforming an impulse into its exact
 opposite
Mature defences (SAHAS)
• Sublimation: Transformation of a socially unacceptable
 impulse into socially acceptable behaviour
• Anticipation: Preparing in advance for an unpleasant situation
• Humour: Use of comedy to deal with unpleasant situation
• Altruism: Use of social cause to deal with own emotions
• Suppression: Loss of a memory which can be easily brought
 back
MISCELLANEOUS
Electroconvulsive therapy
 Types
• Direct ECT
• Indirect ECT (Modified ECT)
   • Methohexital is the anaesthetic agent of choice
   • Thiopental and propofol
   • Succinylcholine
   • Atropine
Side effects
1. Memory disturbances - Retrograde amnesia is more common (mild,
   recovery in 1-6 months)
2. Headache, muscle aches, fractures, tooth dislocations, rarely
   delirium
 Substance use disorder (Psychosocial treatment)
• Transtheoretical model of change
  A. Precontemplation
  B. Contemplation- Starts realising that he has a
     problem, ‘pros and cons’ evaluated
  C. Preparation- Takes a decision and starts planning
  D. Action- Quits and make changes in behaviour
  E. Maintenance
Mental Healthcare Act, 2017 (MHCA 2017)
B. Advance directive- Every person (not a minor) can
make an advance directive
1. How they wish to be treated/not treated for a mental
   illness
C. Nominated representative
• Every person can appoint a nominated representative
• In case of loss of capacity, NR would help in taking
 decisions about treatment
E. Ban on direct ECT
F. Ban on ECT for minors
G. Ban on psychosurgery
H. Decriminalisation of suicide attempt
                      DELIRIUM             DEMENTIA
   Onset            Sudden onset         Insidious onset
Consciousness   Dist. of consciousness    Not present
   Course        Fluctuating course       Progressive
                                             course
                      DELIRIUM             DEMENTIA
   Onset            Sudden onset         Insidious onset
Consciousness   Dist. of consciousness    Not present
   Course        Fluctuating course       Progressive
                                             course