People with certain conditions may be more likely to develop high potassium levels (hyperkalemia). Although these high levels may only last for a short time, some people will have high levels that do ...

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 and even low-normal plasma potassium levels increase the risk of ventricular arrhythmias among patients with cardiovascular disease. An assessment of a strategy of actively increasing ...

Reaching for a banana could do more than power your morning smoothie. A new international study suggests that eating more potassium-rich foods could help lower the risk of dangerous heart problems.

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, ...

MADRID — Among patients with any cardiovascular disease who had an implantable cardioverter-defibrillator (ICD) and were at high risk for ventricular arrhythmias, increasing potassium levels led to a ...