At What Potassium Level Do ECG Changes Occur? A Comprehensive Guide
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2 min read
Potassium is an essential electrolyte for normal heart function, with a normal serum concentration ranging from 3.5 to 5.0 mEq/L. When this level becomes too high (hyperkalemia) or too low (hypokalemia), significant and potentially life-threatening changes can appear on an electrocardiogram (ECG).
