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 ...

Hypokalemia may lead to an irregular heartbeat, also known as arrhythmia. Some arrhythmias can be life threatening without treatment, but restoring potassium levels may help reverse symptoms alongside ...

Many foods contain magnesium and potassium, two minerals that are important to heart health, bone health, muscle function, ...

Potassium helps regulate blood pressure because it affects fluid balance in the body. Blood pressure is the force of your blood on the walls of your blood vessels. High blood pressure (hypertension) ...

Blood pressure medications are commonly prescribed and are usually well-tolerated, but there are some serious side effects you should know about.