CONCEPT MAP FOR HYPOVOLEMIA
PRECIPITATING FACTORS PREDISPOSING FACTORS
Hot weather
Age > 60 y.o & children < 6 y.o
Excessive sweating
Vomiting
Pre-existing chronic conditions
Diarrhea
Burns
Bleeding
Decreased fluid intake
Thirst and dryness of mucous
membrane
Decreased blood
pressure
Water loss
Fludrocortisone
Decreased intravascular
volume
1. Maintain bed rest
Loss of 2. Encourage pt to
Decreased circulatory increase fluid intake
Decreased
jugular blood volume
3. Put patient in
venous return
venous Trendelenburg
to heart (loss of
pressure position
preload to
4. Open IV fluids to
heart
increase blood
volume
Insufficient organ
perfusion
Brain Skin Heart Kidneys All body
tissues
Decreased
cerebral
blood flow
CONCEPT MAP FOR HYPOVOLEMIA
Body vasoconstricts Decreased
in extremities to Decreased blood Decreased blood flow Increased lactic
preserve circulation pressure causes myocardial to kidneys acid production
to vital organs contractility
compensatory due to
increase in heart inadequate
Cerebral hypoxia Body loses more fluids rate to maintain delivery of
trying to cool down body perfusion oxygen
temperature
Renal Decreased
Progressive
Cold, clammy, and Tachycardia ischemia glomerular Decreased
decrease in level of filtration rate
pale extremities clearance of
consciousness
Decreased capillary lactate in kidneys,
refill liver, and skeletal
Increased body muscles
temperature Oliguria
1. Monitor laboratory Muscle
data weakness
2. Maintain effective
Cramps
airway Acetaminophen
3. Monitor intake and Amlodipine
Na
output Intravenous fluids usea
4. Maintain hydration such as plain NSS or
and prevent 0.9% sodium chloride
1. Encourage pt to
dryness Sodium
increase fluid 1. Monitor oxygen
intake
bicarbonate
saturation and
2. Provide tepid arterial blood gasses 1. Record intake and Tromethamine
sponge bath to 2. Monitor the client’s output accurately to
reduce fever monitor renal
central venous
3. Monitor intake function 1. Monitor vital signs,
pressure (CVP),
and output laboratory results
pulmonary artery 2. Monitor blood and level of
4. Monitor body diastolic pressure pressure and heart
consciousness
temperature (PADP), pulmonary rate
frequently
every q30 mins capillary wedge
2. Record intake and
pressure, and cardiac
output accurately to
output/cardiac index
monitor renal
function
3. Provide good oral
hygiene after
incidences of
vomiting
Legend:
Predisposing Factors
CONCEPT MAP FOR HYPOVOLEMIA
Precipitating Factors
Medications
Signs and Symptoms
Nursing Interventions
Pathophysiology