What is the normal capillary refill time, and how is it assessed?

Normal capillary refill time is less than 2 seconds. It is assessed by pressing the end of the patient's finger for 5 seconds, releasing, and observing how long it takes for the color to return.

During the peripheral cardiovascular examination, capillary refill is checked by pressing the end of the finger for 5 seconds and then releasing it. The time taken for the color to return should be less than 2 seconds, indicating adequate peripheral perfusion.