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November 1, 1980Pacing and Clinical Electrophysiology

Incessant Reciprocating Atrioventricular Tachycardia

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Population

1 patient suffering from incessant supraventricular tachycardia

Design

Case_report

Authors

PBPedro BrugadaEVEddy VanagtFBFrits W. Bär

Discussion

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Overview

Consider autonomic influences in refractory AVRT; case report leaves open prevalence and management implications of nodal-like pathways.

Key Points

  • To explore the characteristics of incessant reciprocating atrioventricular tachycardia and its underlying mechanisms.
  • Electrophysiological study to identify the presence of an accessory atrioventricular bundle.
  • Assessment of tachycardia behavior during rest and exercise.
  • Evaluation of interventions including atropine and isoproterenol.
  • Intermittent tachycardia at rest, sustained during slight exercise.
  • Dual atrial response to single paced ventricular premature beat confirmed availability of two separate A-V pathways.
  • Autonomic changes significantly influenced tachycardia initiation and maintenance.

Structured PICO

P
Population
1 patient suffering from incessant supraventricular tachycardia
I
Intervention
Electrophysiological study with administration of atropine and isoproterenol, handgrip exercise, and ventricular stimulation

Autonomic changes can significantly influence the initiation and maintenance of incessant reciprocating atrioventricular tachycardia in patients with nodal-like accessory pathways.

Cite This Study

Brugada et al. (1980) studied this question.

synapsesocial.com/papers/6a156b459b87f33fc69f8a21https://doi.org/10.1111/j.1540-8159.1980.tb05570.x
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