Potassium is an important nutrient, but when you have too much in your blood, it can cause health problems like irregular heartbeats. That's why your doctor always checks your potassium levels at your ...

Potassium is a nutrient in food that helps your body run smoothly. Too much potassium in your body can cause health problems, but a simple blood test can measure your levels. Potassium plays a role in ...

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.

Dear Dr. Roach: I am a 73-year-old male and have been diagnosed with a number of different medical conditions. I have one kidney (stage 4) and have had atrial fibrillation since 2008. Recently my ...

Madrid, Spain – 29 August 2025: Targeting high-normal potassium levels reduced the risk of arrhythmias, hospitalisation for heart failure or arrhythmia and death compared with no intervention, ...