| PSVT | Paroxysmal Supra-Ventricular Tachycardia ? Tx 1. Carotid ... |
|---|---|
| AVNR | atrioventricular nodal reentry |
| AVNRT | atrioventricular node reentry tachycardia |
| SANDR | sinoatrial nodal reentry |
| AVNRT | Atrioventricular nodal reentry tachycardia |
|---|
| reentry | Return of the same impulse into a zone of heart muscle that it has recently activated; sufficiently delayed that the zone is no longer refractory, as seen in most ectopic beats, reciprocal rhythms, and most tachycardias. (05 Mar 2000) |
|---|---|
| reentry theory | That extrasystoles are due to reentry of an impulse initiated by the sinus impulse, to which the extrasystole is coupled, into the ectopic focus. (05 Mar 2000) |
| tachycardia, atrioventricular nodal reentry | A tachycardia characterised by rates between 150 and 250 beats per minute and a qrs complex of supraventricular origin. (12 Dec 1998) |
| tachycardia, sinoatrial nodal reentry | A tachycardia arising from the sinus node region and characterised by rates between 115 and 140 beats per minute. It is paroxysmal rather than constant. (12 Dec 1998) |
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