pacemaker-mediated tachycardia

Cardiac pacing Tachycardia seen in atrial tracking pacemakers, which begins with and is sustained by ventricular events conducted retrogradely to the atria; the pacemaker senses retrograde atrial depolarization, then delivers a stimulus to the ventricle, causing depolarization, that again is conducted retrogradely to the atria which, if repeated, causes tachycardia.

pacemaker-mediated tachycardia

A problem of dual-chamber cardiac pacemakers in which tachycardia develops due to improper functioning of the pacemaker. This can be treated by reprogramming the electronic signals to the atrium. See also: tachycardia

单词	pacemaker-mediated tachycardia
释义	DictionarySeetachycardia pacemaker-mediated tachycardia pacemaker-mediated tachycardia Cardiac pacing Tachycardia seen in atrial tracking pacemakers, which begins with and is sustained by ventricular events conducted retrogradely to the atria; the pacemaker senses retrograde atrial depolarization, then delivers a stimulus to the ventricle, causing depolarization, that again is conducted retrogradely to the atria which, if repeated, causes tachycardia. pacemaker-mediated tachycardia A problem of dual-chamber cardiac pacemakers in which tachycardia develops due to improper functioning of the pacemaker. This can be treated by reprogramming the electronic signals to the atrium. See also: tachycardia AcronymsSeePMT
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