AllRefer Health - Capillary Nail Refill Test (Capillary Refill Time, CRT, Nail Blanch Test)

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You are here : AllRefer.com > Health > Tests & Exams > Capillary Nail Refill Test

Capillary Nail Refill Test


•	Definition
•	Why is the Test Performed?
•	How is the Test Performed?
•	How to Prepare for the Test?
•	How will the Test Feel?
•	Normal Values
•	What do Abnormal Results Mean?
•	Risks
•	Pictures & Images
•	Go To Main Page

Alternate Names : Capillary Refill Time, CRT, Nail Blanch Test

Definition

This quick test is performed on the nail beds o monitor tissue perfusion (the amount of blood flow to tissue) and dehydration.

Pictures & Images

Nail Blanch Test

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Why is the Test Performed?

Oxygen, which is critical to the survival of tissue, is carried to various parts of the body by the blood (vascular) system. This test measures how well the vascular system is functioning in your extremities. If you are dehydrated, or tissue perfusion is blocked by other means, this quick test can alert you or your health care provider that care needs to be taken to restore normal vascular flow.

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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Risks
• Pictures & Images

Review Date : 8/18/2003
Reviewed By : Daniel Levy, M.D., Ph.D., Infectious Diseases, Greater Baltimore Medical Center, Baltimore, MD. Review provided by VeriMed Healthcare Network.

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