Capillary Nail Refill Test
Alternate Names : Capillary Refill Time, CRT, Nail Blanch Test
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How is the Test Performed?
Pressure is applied to the nail bed until it turns white, indicating that the blood has been forced from the tissue (blanched). Once the tissue has blanched, pressure is removed.
The health care provider will measure the time it takes for blood to return to the tissue, indicated by a pink color returning to the nail.
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