Adults and children display different physiologic responses to injury and acute illness. An important concept to remember when assessing infants and children is that they:
a. experience lethal arrhythmias first, pro-gressing to respiratory failure.
b. usually experience cardiac arrest before respiratory failure.
c. usually experience respiratory arrest before circulatory failure.
d. tolerate greater volume changes, with less severe consequences.
C
Cardiac arrest is rarely a primary event in children, as it is in adults. The child usually experiences respiratory and ventilatory failure that progresses to respiratory arrest first. Without rapid intervention, a cardiac arrest occurs as a secondary event.
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