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November 08, 2021

Capillary refill can help you test dehydration levels by seeing how long it takes for blood flow to resume normal skin color in the nailbed. This test can be done by applying pressure on your fingernail for a few seconds until the nailbed turns while. When you remove your finger, the normal coloring should return within 2-3 seconds. If it takes longer than 2-3 seconds for your finger to resume normal
coloring, you may be dehydrated.

A basic first aid training online course can help you learn the signs of dehydration and how to prevent them. Signs of dehydration include headaches, nausea, muscle cramps, dizziness, dry skin, low energy, and dark colored urine. Dehydration happens when you do not drink enough fluids but can also happen
if you lose fluids too quickly from sweating or vomiting. Certain types of medications can also increase your risk of dehydration.

Basic first aid certification can be done online. Online classes can help first aid class costs remain low. The lower costs of online certification programs makes them more accessible to larger groups of individuals as well as providing maximum flexibility with scheduling and studying that can be done from
the comfort of your own home. Dehydration is a common first aid problem that many athletes and coaches deal with during summer months and with competitive sports. Taking a first aid online course can help you learning the warning signs so that dehydration can be prevented. Staying hydrated is a
way to stay healthy and safe during the summer months as well as during team sports and competition.

Dehydration can happen to anyone of any age and of any fitness level. First aid renewal classes can be taken for those have knowledge and prior certification in first aid. Renewal classes are great for freshening up your skills so that if there is ever a medical emergency, you’ll know exactly what to do and will be able to take charge of the situation. Checking the capillary refill using your fingernails is a great way to test for dehydration to stay on top of any hydration issues that might be impacting your health and athletic performance.

How to Test Dehydration by Checking Capillary Refill


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