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 ...

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 ...

A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions.

High potassium in your blood could be a medical emergency, according to Dr Evan Levine. Here is what you should know about ...