In infants or small children, a capillary refill time of 4 seconds:
a. is normal.
b. indicates hypervolemia.
c. indicates dehydration or hypovolemic shock.
d. indicates renal artery stenosis.
C
Capillary refill time represents the time it takes the capillary bed to refill after being occluded by pressure to the nail bed for several seconds. Observe the time it takes for the nail to regain its full color, which should be less than 2 seconds for an intact system. The capillary refill time will be longer than 2 seconds during arterial occlusion, hypovolemic shock, hypothermia, and dehydra-tion.
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