Overview Potassium is the primary intracellular cation, with ~98% residing inside cells at concentrations of 140–150 mEq/L, compared to a tightly regulated serum concentration of 3.5–5.0 mEq/L. It is fundamental to resting membrane potential, cardiac rhythm, skeletal and smooth-muscle…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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