Free Set
Question
Digoxin toxicity potentiated by electrolyte?
Options
AHypernatremia
BHypercalcemia
CHypokalemia Correct Answer
DHyponatremia
Correct Answer & Explanation
Option C: Hypokalemia
Rationale
Hypokalemia increases myocardial sensitivity to digoxin because potassium and digoxin compete for same site on Na-K ATPase pump. Low potassium allows more digoxin binding.
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