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[Blocked atrial extrasystole simulating impaired anterograde conduction during atrial stimulation].

Authors
  • 1
Type
Published Article
Journal
Orvosi Hetilap
0030-6002
Publisher
Akademiai Kiado Zrt.
Publication Date
Volume
135
Issue
50
Pages
2771–2773
Identifiers
PMID: 7530824
Source
Medline

Abstract

In a 72-years-old patient with intermittent bradycardia definitive atrial pacing was considered. Surface ECG was misleading because of demonstrating 2:1 anterograde block during atrial stimulation at a rate of 100 beats per minute. Intracardiac recordings disclosed the bigeminal occurrence of premature atrial contractions. Every second stimuli fall within the premature atrial contraction's refractory period simulating impaired AV-conduction. Our report emphasizes the importance of intracardiac recordings during atrial stimulation in order to evaluate the anterograde conduction before pacemaker implantation.

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