Medically reviewed by Chika Anekwe, MD A potassium blood test is used to measure the amount of potassium in your blood. It is ...

I brought his chart up on the computer screen, and sure enough, there it was: a serum potassium level slightly above ... The second test, without a tourniquet, produced a normal result.

Your doctor will order a blood test to see if you have hyperkalemia ... disease or are taking medications that raise your potassium level, call your doctor right away.

Most gardeners think soil testing only determines nutrient deficiencies, but the tests also help gardeners understand whether ...