February 1, 1975CirculationOpen Access

Demonstration of sustained sinus and atrial re-entry as a mechanism of paroxysmal supraventricular tachycardia.

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Why the study?

Can sinus or atrial re-entry be demonstrated as a mechanism of paroxysmal supraventricular tachycardia using electrophysiological studies?

Population

5 patients with documented or suspected paroxysmal supraventricular tachycardia, all with organic heart…

Design

Case_series

Authors

DWDexi WuSun Yat-sen University FAF Amat-y-LeonUnited States Department of Veterans Affairs PDP DenesNorthwestern University

Discussion

Member takes

Implication

Supports re-entry mechanisms in slow spontaneous PSVT; hypothesis-generating and should not yet change practice.

Structured PICO

Can sinus or atrial re-entry be demonstrated as a mechanism of paroxysmal supraventricular tachycardia using electrophysiological studies?

Population

5 patients with documented (n=4) or suspected (n=1) paroxysmal supraventricular tachycardia (PSVT), all with organic heart disease, 2 with preexcitation, and 3 with evidence of atrial enlargement.

Intervention

Electrophysiological studies including atrial extrastimulus technique and constant rapid atrial pacing

Outcome

Demonstration of sinus or atrial re-entry as a mechanism of PSVTsurrogate

Electrophysiological studies demonstrate that sinus and atrial re-entry can serve as mechanisms for relatively slow spontaneous paroxysmal supraventricular tachycardia in humans.

Cite This Study

Wu et al. (1975) studied this question.

synapsesocial.com/papers/6a735dc31641e80ff1c67ca1 https://doi.org/10.1161/01.cir.51.2.234

Topics

Hypertension management

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Demonstration of sustained sinus and atrial re-entry as a mechanism of paroxysmal supraventricular tachycardia.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Topics

Demonstration of sustained sinus and atrial re-entry as a mechanism of paroxysmal supraventricular tachycardia.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider