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Potassium

K

Potassium

Description

Potassium is a vital electrolyte found in every cell. It regulates heart rhythm, nerve signals, and muscle contractions, including those in the gut and lungs.

Why Tested

Too much or too little potassium can cause serious cardiac arrhythmias, muscle weakness, or fatigue. Imbalances may result from kidney disease, medications, or poor diet. Because potassium is so tightly regulated, even slight shifts can have big health implications.
  • Normal Range: 3.5-5.2
  • Units measured: mmol/L

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