Key result
Hypokalemia can precipitate cardiac arrest from digitalis toxicity despite normal serum digoxin levels, which was successfully treated with potassium chloride, phenytoin, and pacing.
Why the study?
Does treatment with potassium chloride, phenytoin, and pacing successfully treat cardiac arrest due to digitalis intoxication in the setting of normal serum digoxin levels and hypokalemia?
Population
A patient with cardiac arrest due to digitalis toxicity, normal serum digoxin levels, and hypokalemia (n=1)
Design
Case_report
Authors
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May prompt potassium monitoring in digoxin patients; single case leaves open treatment generalizability.
Does treatment with potassium chloride, phenytoin, and pacing successfully treat cardiac arrest due to digitalis intoxication in the setting of normal serum digoxin levels and hypokalemia?
Hypokalemia can precipitate life-threatening digitalis toxicity and cardiac arrest even when serum digoxin levels are within the normal range.
Gómez-Arnau et al. (1982) studied this question. Hypokalemia can precipitate cardiac arrest from digitalis toxicity despite normal serum digoxin levels, which was successfully treated with potassium chloride, phenytoin, and pacing.
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