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

Delayed capillary refill ⬇️ If it takes longer than 3 seconds for color to return after pressing on your skin, that can indicate delayed capillary refill. It can be one possible sign of dysautonomia, which research shows is more common among some neurodivergent people. ⚠️ Important: Delayed capillary refill isn’t exclusive to dysautonomia. Having it doesn’t necessarily mean you have dysautonomia…it’s just one potential symptom, and many other factors can cause it. I’m also not saying all neurodi

🚨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