Ventricular tachycardia induced by atrial stimulation in patients without symptomatic cardiac disease

Lawrence D. German, Douglas L. Packer, Gust H. Bardy, John J. Gallagher

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Ten patients with an unusual form of ventricular tachycardia (VT) are described. All were young (mean age 21 years) at the onset of VT, symptoms were of long duration (mean 7 years), none had symptomatic organic heart disease, VT was induced by atrial and ventricular stimulation, VT had a characteristic QRS morphologic picture resembling right bundle branch block with left-axis deviation and 9 had early retrograde His deflections during VT. Supraventricular tachycardia (SVT) was excluded in every patient by electrophysiologic study, although QRS morphologic characteristics and clinical stability of these patients during tachycardia frequently led to the diagnosis of SVT before referral. Four patients received verapamil during electrophysiologic testing. Verapamil slowed and terminated VT in all. Three patients are being treated chronically with oral verapamil, 3 patients with conventional antiarrhythmic agents and 1 with a radiofrequency ventricular pacemaker.

Original languageEnglish (US)
Pages (from-to)1202-1207
Number of pages6
JournalThe American journal of cardiology
Issue number10
StatePublished - Dec 1 1983


ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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