Pediatric Problem Based Learning
Case Trigger: Neonatal Jaundice (My baby has yellow eyes)
Case trigger
Ali is an 18-hour full-term baby, noticed by the nurse in the postnatal ward to have yellow
eyes. His mother stated that this yellow color started few hours after birth.
History of present illness
    18-hour old baby born by spontaneous vaginal delivery to a 23-year-old
      gravida 2, para 1, blood type O-negative mother.
    Uncomplicated pregnancy, no medications nor special events happened
      during pregnancy.
    Rupture of membranes 7 hours prior to delivery with clear fluid.
    APGARs 7 and 9 at 1 and 5 minutes respectively.
    The mother states that breast feeding is a struggle, her baby has poor latch
      and is easily frustrated. The mother has sore nipples.
    The mother’s first baby did not have similar problem.
    No hematological disorders in the family.
    The baby passed meconium and urine immediately after birth
    Phototherapy started.
Family History: Parents are consanguineous and healthy. They have one older
child, a 3-year-old female who is healthy as well. There is no family history of
infant death, metabolic or haematological diseases.
Social History: The mother is a 25-year-old, works as a schoolteacher. The father
is 28-year-old and works as an engineer. They have one older healthy daughter,
and they live in a small apartment. There are no pets at home and no recent travel.
Systemic review: unremarkable
Physical Examination :
Growth Parameters:
Weight:                          3.4 kg
Length:                           53 cm
Head circumference:              37cm
General               Slightly lethargic, crying with exam, flexed posture,
                      visible jaundice
Vital signs           T: 37.3C, HR: 144/m, RR: 48/m
HEENT “head,          Normocephalic, fontanelle slightly depressed, eyes
eyes, ears, nose,     and ears normal set/shape, sclera yellow, palate
and throat.”          intact, tongue normal with Epstein pearls on the
                      mucous membranes,
Cardio/respiratory No murmur, pulses normally felt bilaterally and no
                   brachial-femoral delay, breath sounds clear,
Gastrointestinal/  Soft, non-distended, liver palpable, umbilical stump
                   intact/clamped; passed one meconium stool, voided
genitourinary
                   one time since birth
Musculoskeletal       Hips stable bilaterally, all within normal
Investigations
Lab                      Results          Reference range
Total bilirubin          16 mg/dL     <5.2 mg/dL within 24 hours of birth
Direct bilirubin         0.5 mg/dl    0.3-1.0 mg/dl
Blood group              B -ve
Direct                   Positive     Negative
antiglobulin test
Hematocrit               39%          Males: 42-52%; Females: 35-47%
Hemoglobin               12 g/L       Males: 13-18 g/dL; Females:12-16
                                      g/dL
WBC                      15           7-14 x 109
Platelets                218          210-340 x109
CRP                      2            0-8 mg/dl
Glucose                  4.5          3.3-5.6 mmol/L
LFt                      Normal
RFT                      Normal
Sodium                   140          135-145mmml/L
Potassium                5.1          3.5-5.2 mmol/L
Urine culture            -ve
Blood culture            -v
Differential diagnosis
    Hemolytic diseases: Rh incompatibility, ABO incompatibility, G6PD
     deficiency, Spherocytosis, Autoimmune hemolytic anemia
    Physiological jaundice
    Infection: TORCH, Sepsis, UTI
    Endocrine: Hypothyroidism, Hypopituitarism
    Trauma (birth): Cephalhematoma, subgaleal hemorrhage
    Breast milk jaundice
    Liver related problems:
          o Obstructive causes: Extra-hepatic biliary atresia, Gallblader stones,
            Cholydochal cyst, neonatal sclerosing cholangitis Syndromes:
            Allagile’s syndrome,
          o Malignancy: Liver tumors (hepatoblastoma), Metastases
          o Idiopathic neonatal hepatitis (undefined etiology)
   Metabolic problems: Cystic fibrosis, Inborn errors of metabolism
    (Galactosemia, Fructosemia, Tyrosinemia), Storage disorders (Lipid storage
    disorders), Alpha-1-antitrypsin deficiency
   Familial conditions: Crigler Najjar syndrome, Progressive familial
    intrahepatic obstruction
Learning objectives:
  1. Physiological jaundice
  2. Breast milk and Breast-feeding jaundice
  3. Pathological Causes of Jaundice in a newborn?
  4. Hemolytic disorders in the newborn.
  5. What are the clinical manifestations of jaundice in a baby?
  6. What is the management of jaundice in infants?
  7. Complications of unconjugated hyperbilirubinemia in infants (Kernicterus).
  8. What are the Causes of obstructive Jaundice in infants and children, how do
     they present?
  9. Extra-hepatic biliary atresia, significance of early diagnosis and management
  10.Complications of conjugated hyperbilirubinemia in infants