Atrial synchronized pacemaker arrhythmias: Revisited

Agustin Castellanos, Louis Lemberg, Lillia Rodriguez-Tocker, Barouh V. Berkovits

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The synchronized pacemaker has proved to be effective in the treatment of symptomatic A-V block. However, several complex arrhythmias have appeared after its implantation, during its normal behavior as well as during its malfunction. In some cases, the ectopic rhythms were iatrogenically created with the purpose of studying the response of the pacemaker. Four possible mechanisms by which synchronized stimulus artefact could appear during an antecedent T wave were presented. Differences between true and false escapes were stressed. One tracing showed a rare form of pacemaker capture by a high A-V nodal rhythm. In another patient, the synchronized pacer was captured by a continuous unit. An increase in rate of the latter led to a previously undescribed arrhythmia, hereby labelled pacemaker-topacemaker block. In this case, there were two different centers competing to capture the synchronized pacemaker. The analysis of these arrhythmias has increased our knowledge of clinical and pacemaker electrophysiology.

Original languageEnglish (US)
Pages (from-to)199-208
Number of pages10
JournalAmerican Heart Journal
Volume76
Issue number2
StatePublished - Aug 1968

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Cardiac Arrhythmias
Electrophysiology
Artifacts
Therapeutics

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Castellanos, A., Lemberg, L., Rodriguez-Tocker, L., & Berkovits, B. V. (1968). Atrial synchronized pacemaker arrhythmias: Revisited. American Heart Journal, 76(2), 199-208.

Atrial synchronized pacemaker arrhythmias : Revisited. / Castellanos, Agustin; Lemberg, Louis; Rodriguez-Tocker, Lillia; Berkovits, Barouh V.

In: American Heart Journal, Vol. 76, No. 2, 08.1968, p. 199-208.

Research output: Contribution to journalArticle

Castellanos, A, Lemberg, L, Rodriguez-Tocker, L & Berkovits, BV 1968, 'Atrial synchronized pacemaker arrhythmias: Revisited', American Heart Journal, vol. 76, no. 2, pp. 199-208.
Castellanos A, Lemberg L, Rodriguez-Tocker L, Berkovits BV. Atrial synchronized pacemaker arrhythmias: Revisited. American Heart Journal. 1968 Aug;76(2):199-208.
Castellanos, Agustin ; Lemberg, Louis ; Rodriguez-Tocker, Lillia ; Berkovits, Barouh V. / Atrial synchronized pacemaker arrhythmias : Revisited. In: American Heart Journal. 1968 ; Vol. 76, No. 2. pp. 199-208.
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