PALS 3 QUESTIONS AND VERIFIED
ANSWERS|100% CORRECT|GRADE A+
does resp or cardiac arrest have better neuro outcomes - ANSWER resp
o2 consumption in kids v adults - ANSWER kids 6-8ml/kg compared to 3-4 ml/kg in adults
what is hypoxemia - ANSWER decreased arterial oxygen sat detected by pulse ox or direct measuremnt
of o2 sat in an abg
so you want their oxygen level at least - ANSWER 94
hypoxia v hypoxemia - ANSWER hypoxemia is low blood o2 sat, hypoxia is pathologic odnition in which
body as a whole or region of body is deprived of adequate oxygen
you can be hypoxic without hypoxemia
you can have hypoxemia without hypoxia
example of hypoxemia without hypoxia - ANSWER cyanotic heart disease leading to decreased overall
sats but compensated for by increased CO and polycythemia
example of hypoxia without hypoxemia - ANSWER anemia
early v late signs of hypoxia - ANSWER tachypnea to bradypnea with inadequate effort
increased effort like flaring and retractions leading to head bobbying and seesaw respirations, grunting
tachy leading to brady
, both have pallor, mottling, cyanosis can be early or late
agitation/anxiety/irritable leading to decreased level of consiocuness
o2 content formula - ANSWER 1.36*Hgb concentration x SaO2 + .003xPaO2
causes of hypoxemia - ANSWER low atmospheric po2----altitude
alveolar hypoventilation
diffusion defect
v/q imbalance
right to left shunt
why can you get hypoxemic from altitude - ANSWER decreased barometric pressured leading to
decreased paO2
alveolar hypoventilation examples and mechanism - ANSWER cns infection, tbi
overdose
neuromuscular
apnea
hypercarbia---dsipalces alveolar o2 resultion in decreased o2 tension and hypoxemia
diffusion defect examples and path - ANSWER pulmonary edema
instertital pneumonia
alveolar proteinosis
impaired movement of o2 and co2 leading to hypoxemia and if severe increased pa co2
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