Medically reviewed by Patricia Mikula, PharmD Magnesium, potassium, and sodium are important minerals needed for overall ...

Hyperkalemia is a condition where potassium levels in the blood are abnormally high. Anyone can develop it, but certain people, such as those with kidney dysfunction, have an increased risk. Having ...

The body needs the mineral potassium to regulate muscle contraction. The heart, being a muscle, may respond to changes in potassium levels by developing an irregular heartbeat, or arrhythmia. Atrial ...