pacemaker-mediated tachycardia

tachycardia in a patient with a dual chamber pacemaker, caused by retrograde conduction of ventricular impulses (either premature ventricular complexes or impulses that are triggered by ventricular pacing), which are sensed by the atria and trigger a subsequent ventricular impulse, sometimes leading to development of an e...
Found on http://www.encyclo.co.uk/local/21001
No exact match found