Capillary nail refill test

Nail blanch test; Capillary refill time

The capillary nail refill test is a quick test done on the nail beds. It is used to monitor dehydration and the amount of blood flow to tissue.

Nail blanch test

The nail blanch test, also called the capillary nail refill test, is performed on the nail beds as an indicator of tissue perfusion (the amount of blood flow to tissue) and dehydration.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean