Medically reviewed by Archana Sharma, DO Key Takeaways A potassium blood test measures the potassium level in your blood to ...

Q: Last week, my oncologist's office called to inform me that, after a routine blood test, my potassium level was too high. The nurse said it wasn't a very high level, and I should attempt to control ...

Aldosterone is a hormone that helps regulate sodium and potassium levels in the blood. Hyperaldosteronism and hypoaldosteronism are conditions involving abnormal aldosterone levels. The adrenal glands ...

Bananas are not the best source of potassium. Kidney beans, dried apricots, and orange juice all have higher concentrations of potassium than bananas.

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 – 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, ...

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.