Medically reviewed by Chika Anekwe, MD A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP) that ...

which contain lots of potassium, to leak the mineral into his serum, the clear-liquid part of the blood. The second test, without a tourniquet, produced a normal result. Blood tests are an ...

A healthy range of blood potassium levels is 3.5 to 5.0 millimoles per liter of blood. Levels above this may indicate hyperkalemia, which occurs most often in people with chronic kidney disease.

Researchers have developed a hydrogel-based strain sensor that measures blood potassium from a single drop of serum in two ...

Here's everything you need to know about what potassium is. “Potassium is an electrolyte that balances fluids, regulates blood pressure, supports nerve and muscle function, and promotes heart ...