Paroxysmal tachycardia is a tachycardia that begins and ends abruptly and that is initiated by a premature supraventricular beat originating in the atrium or in the atrioventricular node or bundle of His or by a premature ventricular beat. [ url:http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=paroxysmal%20tachycardia ]
Term information
Paroxysmal tachycardia is a tachycardia that begins and ends abruptly and that is initiated by a premature supraventricular beat originating in the atrium or in the atrioventricular node or bundle of His or by a premature ventricular beat.