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, ...

LONDON, England—The common practice of administering potassium to keep levels up during CABG with the aim of preventing postoperative atrial fibrillation (AF) doesn’t seem to be doing much good after ...

For the prevention of new-onset atrial fibrillation (AF) after isolated coronary artery bypass graft (CABG) surgery, giving potassium supplements only when levels dropped below the lower limit of ...

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 ...

MADRID, Spain—Increasing low potassium levels improves clinical outcomes among patients with cardiovascular disease and a high risk for ventricular arrhythmias, the randomized POTCAST trial shows.