Capillary refill time normal is less than how many seconds?

Capillary refill time normal is less than how many seconds?

• A. Less than 2 seconds
• B. 3-5 seconds
• C. 6-8 seconds
• D. 10 seconds

Answer: (A)

Capillary refill time is a quick way to judge peripheral blood flow by pressing on a mucous membrane (usually the gums) to blanch it and watching how fast color returns. A normal result is under 2 seconds. If it takes longer, like 3–5 seconds, perfusion is slowed and could indicate dehydration, low blood volume, or other circulatory issues. Very long times (6–8 or 10 seconds) point to more severe compromise. Note that CRT can be influenced by temperature, stress, and where you measure, so the key takeaway is that color returning within under 2 seconds is considered normal.

Capillary refill time is a quick way to judge peripheral blood flow by pressing on a mucous membrane (usually the gums) to blanch it and watching how fast color returns. A normal result is under 2 seconds. If it takes longer, like 3–5 seconds, perfusion is slowed and could indicate dehydration, low blood volume, or other circulatory issues. Very long times (6–8 or 10 seconds) point to more severe compromise. Note that CRT can be influenced by temperature, stress, and where you measure, so the key takeaway is that color returning within under 2 seconds is considered normal.