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Use During Electrical Cardioversion It may be desirable to reduce the dose of digoxin for 1 to 2 days prior to electrical cardioversion of atrial fibrillation to avoid the induction of ventricular arrhythmias, but physicians must consider the consequences of increasing the ventricular response if digoxin is withdrawn. If digitalis toxicity is suspected, elective cardioversion should be delayed. If it is not pru-dent to delay cardioversion, the lowest possible energy level should be selected to avoid provoking ventricular arrhythmias. Laboratory Test Monitoring Text Continues Below
Patients receiving digoxin should have their serum electrolytes and renal function (serum creatinine con-centrations) assessed periodically; the frequency of assessments will depend on the clinical setting. For discussion of serum digoxin con-centrations, see DOSAGE AND ADMINISTRATION section.
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