Diagnostic tests are important in every area of life. If you experience an issue with your car, a diagnostic test provides a quick and accurate assessment of your vehicle so it can be fixed. In ...

A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions.

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...