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Gepubliceerd in: Netherlands Heart Journal 3/2018

Open Access 30-10-2017 | Rhythm Puzzle - Answer

Fatal elective DDD pacemaker implantation

Auteurs: B. Klop, L. J. P. M. van Woerkens, M. Bijl

Gepubliceerd in: Netherlands Heart Journal | Uitgave 3/2018

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Answer

The initial electrocardiogram obtained immediately after implantation of the dual chamber (DDD) pacemaker showed normal atrioventricular pacing with a premature atrial complex after every two beats and an expected left bundle branch block pattern (LBBB) (Fig. 1a). The repeat electrocardiogram showed a similar rhythm with an LBBB, but with concordant ST segment elevation in lead aVR and concordant ST segment depression in leads V2 to V6 (Fig. 1b). The patient developed a refractory cardiogenic shock and a coronary angiography was obtained, which revealed extensive three-vessel disease without thrombi or acute occlusions. Fluoroscopy did not show any signs of lead displacement. The patient died during emergency percutaneous coronary intervention.
The modified Sgarbossa criteria are specific for cardiac ischaemia in patients with ventricular pacing and LBBB: concordant ST segment elevation in any lead, concordant ST segment depression in leads V1 to V3 and discordant ST segment elevation >5 mm in any lead or a ratio of ST segment elevation to S‑wave amplitude of 0.25 or more [13].
The patient was asymptomatic before implantation of the pacemaker. The low heart rate probably protected him against myocardial ischaemia. After inducing ventricular pacing, the heart rate was normalised to 70 beats per minute, which resulted in panischaemia with subsequent refractory cardiogenic shock due to extensive three-vessel disease. In retrospect, early intervention with lowering of the basal pacing rate might have reversed the development of ischaemia and subsequent cardiogenic shock.

Conflict of interest

B. Klop, L.J.P.M. van Woerkens and M. Bijl declare that they have no competing interests.
Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://​creativecommons.​org/​licenses/​by/​4.​0/​), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Literatuur
1.
go back to reference Maloy KR, Bhat R, Davis J, et al. Sgarbossa criteria are highly specific for acute myocardial infarction with pacemakers. West J Emerg Med. 2010;11:354–7.PubMedPubMedCentral Maloy KR, Bhat R, Davis J, et al. Sgarbossa criteria are highly specific for acute myocardial infarction with pacemakers. West J Emerg Med. 2010;11:354–7.PubMedPubMedCentral
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go back to reference Schaaf SG, Tabas JA, Smith SW. A patient with a paced rhythm presenting with chest pain and hypotension. JAMA Intern Med. 2013;173:2082–5.CrossRefPubMed Schaaf SG, Tabas JA, Smith SW. A patient with a paced rhythm presenting with chest pain and hypotension. JAMA Intern Med. 2013;173:2082–5.CrossRefPubMed
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go back to reference Sgarbossa EB. Recent advances in the electrocardiographic diagnosis of myocardial infarction: left bundle branch block and pacing. Pacing Clin Electrophysiol. 1996;19:1370–9.CrossRefPubMed Sgarbossa EB. Recent advances in the electrocardiographic diagnosis of myocardial infarction: left bundle branch block and pacing. Pacing Clin Electrophysiol. 1996;19:1370–9.CrossRefPubMed
Metagegevens
Titel
Fatal elective DDD pacemaker implantation
Auteurs
B. Klop
L. J. P. M. van Woerkens
M. Bijl
Publicatiedatum
30-10-2017
Uitgeverij
Bohn Stafleu van Loghum
Gepubliceerd in
Netherlands Heart Journal / Uitgave 3/2018
Print ISSN: 1568-5888
Elektronisch ISSN: 1876-6250
DOI
https://doi.org/10.1007/s12471-017-1049-1

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