Capillary Refill Test: A Simple yet Effective Measure for Blood circulation The capillary refill test (CRT) is a quick and non-invasive assessment tool used to evaluate blood circulation and hydration status. Here’s how it works: 1. Press on a fingernail or toenail bed for a few seconds to blanch the skin 💅. 2. Release the pressure and observe the time it takes for the skin to return to its normal color ⏱️. 3. A normal capillary refill time is usually less than 2-3 seconds ⏱️. What does it indi

2.6K views · 13 reactions | Capillary Refill Time⏰ This is the best and most easily available microcirculatory surrogate for perfusion. We can't tell what the renal, gut, brain, and liver perfusion is doing by looking at the patient - but by simply examining the cap refill time we can get a pretty good estimate. Normal: 2 seconds or less I check fingers: press lightly for 10 seconds until blanching then release. Use a glass slide if available. | Cardiophilia | Facebook