Format

Send to

Choose Destination
J Electrocardiol. 1997 Apr;30(2):133-6.

Discrepant drug action of disopyramide on ECG abnormalities and induction of ventricular arrhythmias in a patient with Brugada syndrome.

Author information

1
First Department of Internal Medicine, Niigata University School of Medicine, Japan.

Abstract

An electrophysiologic study was attempted in a patient who experienced cardiac arrest. Programmed electrical stimulation from the right ventricle, without the use of any drugs, induced ventricular fibrillation (VF) twice. Disopyramide prevented the induction of ventricular arrhythmia by rendering VF to a nonsustained polymorphic ventricular tachycardia when administered at 300 mg/day, and noninducible at 400 mg/day. However, ST-segment elevation and the rSr' pattern in leads V(1-3) characteristic of Brugada syndrome became exaggerated by disopyramide. Disopyramide exerted discrepant action on the electrocardiographic (ECG) abnormalities and induction of VF in this patient, suggesting the efficacy of antiarrhythmic drugs assessed by an electrophysiologic study may be unrelated to ECG abnormalities in cases of Brugada syndrome.

PMID:
9141608
[Indexed for MEDLINE]

Supplemental Content

Loading ...
Support Center