Concealed accessory pathway and dual av conduction: Drug-dependent reentrant tachycardia
نویسندگان
چکیده
منابع مشابه
AV nodal reentrant tachycardia with Mahaim fiber conduction.
Paroxysmal tachycardia with widened QRS complexes was found in a 46-year-old woman. In sinus rhythm, the patient had electrocardiographic evidence of type B preexcitation with a left bundle branch block pattern. The resting PR interval (160 msec) and A-H interval (100 msec) were within normal limits, but the H-V interval (10 msec) was abnormally short. Programmed atrial extrastimuli at progress...
متن کاملNodal recovery, dual pathway physiology, and concealed conduction determine complex AV dynamics in human atrial tachyarrhythmias.
The genesis of complex ventricular rhythms during atrial tachyarrhythmias in humans is not fully understood. To clarify the dynamics of atrioventricular (AV) conduction in response to a regular high-rate atrial activation, 29 episodes of spontaneous or pacing-induced atrial flutter (AFL), covering a wide range of atrial rates (cycle lengths from 145 to 270 ms), were analyzed in 10 patients. AV ...
متن کاملAblation of an orthodromic reentrant tachycardia via a concealed accessory pathway targeted in the non-coronary sinus
* Corresponding author. Department of Int of Medicine and Medical Center, PO Box 11E-mail address: [email protected] (B. Abi-S Peer review under responsibility of Indian H http://dx.doi.org/10.1016/j.ipej.2015.10.005 0972-6292/Copyright © 2015, Indian Heart Rh the CC BY-NC-ND license (http://creativecom coronary sinus will ablate either the atrial insertion on the interatrial septumor the accesso...
متن کاملConduction properties of the antegrade fast and slow AV nodal pathways associated with AV nodal reentrant tachycardia.
To elucidate differences in conduction properties among the normal atrioventricular (AV) node and the antegrade fast and slow dual AV nodal pathways (DAVNPW), AV nodal conduction curves were analyzed quantitatively in 38 patients. Eighteen patients had antegrade DAVNPW with AV nodal reentrant tachycardia (AVNRT) (dual pathways group) and the remaining 20 had smooth AV nodal conduction curves, w...
متن کاملFunctional mathematical model of dual pathway AV nodal conduction.
Dual atrioventricular (AV) nodal pathway physiology is described as two different wave fronts that propagate from the atria to the His bundle: one with a longer effective refractory period [fast pathway (FP)] and a second with a shorter effective refractory period [slow pathway (SP)]. By using His electrogram alternance, we have developed a mathematical model of AV conduction that incorporates ...
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ژورنال
عنوان ژورنال: Clinical Cardiology
سال: 1979
ISSN: 0160-9289,1932-8737
DOI: 10.1002/clc.4960020409