Intravenous verapamil treatment for multifocal atrial tachycardia

D. M. Salerno, B. Anderson, P. J. Sharkey, Conrad Iber

Research output: Contribution to journalArticlepeer-review


We gave verapamil intravenously to 16 patients who had multifocal atrial tachycardia - five patients were pretreated with 1 g of intravenous calcium gluconate five minutes before receiving verapamil and 11 patients were not. Verapamil proved effective and safe, slowing the heart rate in all but one patient (21% average decrease) and restoring sinus rhythm in eight. Although without calcium pretreatment verapamil therapy resulted in a 27% decrease in systolic blood pressure, with calcium pretreatment the systolic pressure decreased only 11%. Calcium pretreatment did not prevent the slowing effect of verapamil on heart rate.

Original languageEnglish (US)
Pages (from-to)21-38
Number of pages18
JournalCardiology Board Review
Issue number7
StatePublished - 1988


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