Unusual pauses in sinus rhythm and intermittent 2 to 1 AV block in a patient with concealed his extra systoles - A rare cause of bradycardia

Siva K. Mulpuru, Ravi Diwan, Dayana Eslava Manchego, Cesare Saponieri, Balendu Vasavada

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

A 56 year old male with a past medical history of hypertension and dyslipidemia presented with recurrent dizziness. Routine EKG was performed, which suggested frequent junctional extra systoles with compensatory pauses. During telemetry periods of 2:1 block with effective ventricular rate of 34 bpm was observed. His bundle study suggested frequent His extra systoles causing functional AV block. Treatment with anti-arrhythmic medication, paradoxically improved AV block and symptoms in our patient.

Original languageEnglish (US)
Pages (from-to)148-151
Number of pages4
JournalIndian Pacing and Electrophysiology Journal
Volume10
Issue number3
StatePublished - Mar 1 2010

Keywords

  • Functional AV block
  • His extra systoles

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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