The Daily
ECG
ECG Reference
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Electrolyte & metabolic
Electrolyte & metabolic
Hypercalcemia
ECG criteria
Short QT interval, occasional Osborn waves in severe cases.
Related: electrolyte & metabolic
Hyperkalemia
Peaked T waves, then PR prolongation, QRS widening, sine-wave pattern.
Hypokalemia
Flattened T waves, prominent U waves, ST depression, prolonged QT.
Hypocalcemia
Prolonged QT interval mainly via ST lengthening.