Capillary refill is defined as what?

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Multiple Choice

Capillary refill is defined as what?

Explanation:
Capillary refill is a quick test of peripheral perfusion. It is defined as the time it takes for color to return to the capillary bed, most commonly the nail bed, after you apply firm pressure and blanch the area. When you release, you time how long until normal color comes back. This is usually measured in seconds, with a typical normal threshold of about 2 seconds or less in adults and children. Factors like ambient temperature and lighting can affect the reading. The idea is specifically about color returning at the nail bed, not about the pulse coming back, color returning somewhere else on the skin, or temperature normalization.

Capillary refill is a quick test of peripheral perfusion. It is defined as the time it takes for color to return to the capillary bed, most commonly the nail bed, after you apply firm pressure and blanch the area. When you release, you time how long until normal color comes back. This is usually measured in seconds, with a typical normal threshold of about 2 seconds or less in adults and children. Factors like ambient temperature and lighting can affect the reading. The idea is specifically about color returning at the nail bed, not about the pulse coming back, color returning somewhere else on the skin, or temperature normalization.

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