capillary refill time


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capillary refill time

A rapid clinical test for assessing blood flow through peripheral tissues.
 
Normal
A squeezed nail bed will usually return to a pink colour in 2 seconds.

Abnormal
Dehydration, hypothermia, peripheral vascular disease, shock.
 
Method
Pressure is applied to the nail bed until it turns white (blanches), and pressure is then removed; nail bed “pinking” indicates that blood has reflowed into the capillaries.
References in periodicals archive ?
This means that the patient's feet and hands should get warmer, his blood pressure should come up, his heart rate should go down, and his capillary refill time should be more normal--although not necessarily faster or slower because some kids have a really brisk capillary refill rate, he said.
Capillary refill time in the field: It's enough to make you blush
Capillary refill time is 3-4 seconds during periods of bradycardia.
5[degrees]C) and tachycardia (220bpm) with adequate femoral pulses, normal capillary refill time (CRT 1.