In healthy children, a CRT of 2 seconds or less should be expected when measured on the finger. If the foot or chest is used for assessment, CRTs of 4 seconds or less should be considered normal.

What does a capillary refill of 5 seconds indicate?

A prolonged capillary refill time may be a sign of shock and can also indicate dehydration and may be a sign of dengue hemorrhagic fever and decreased peripheral perfusion. Prolonged capillary refill time may also suggest peripheral artery disease.

What is capillary refill rate?

Introduction. Capillary refill time (CRT) is a measure of the time it takes for a distal capillary bed, such as those found in the fingers, to regain colour after pressure has been applied to cause blanching. A prolonged CRT may indicate the presence of circulatory shock.

What does slow capillary refill indicate?

“Frequent causes of sluggish, delayed or prolonged capillary refill (a refill time >2 seconds) include dehydration, shock, and hypothermia. Shock can be present despite a normal capillary refill time.

Why do we check capillary refill time?

Capillary refill time (CRT) is a useful and rapid metric in determining the intravascular volume status of ill patients, particularly those with conditions that arise or result from hypovolemia.

How do you perform capillary refill time?

Procedure
Step1. Remove finger rings and nail polish.Step2. The therapist compresses the nail bed until it turns white and records the time taken for the color to return to the nail bed.Step3. It normally takes 3 seconds or less. Step4. Always compare to the normal side of the hand or fingers.

What is a normal capillary refill time quizlet?

Normal capillary refill time is usually less than 2 seconds.