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Olgun H, Ceviz N, Karagoz T. Paroxysmal Complete Atrioventricular Block: A Rare Cause of Syncope in Children. West Indian Med J. 2015;64(3):275-8doi: 10.7727/wimj.2013.199.
Olgun, H., Ceviz, N., & Karagoz, T. (2015). Paroxysmal Complete Atrioventricular Block: A Rare Cause of Syncope in Children. The West Indian medical journal, 64(3), 275-8. https://doi.org/10.7727/wimj.2013.199
Olgun, H, et al. "Paroxysmal Complete Atrioventricular Block: A Rare Cause of Syncope in Children." The West Indian medical journal vol. 64,3 (2015): 275-8. doi: https://doi.org/10.7727/wimj.2013.199
Olgun H, Ceviz N, Karagoz T. Paroxysmal Complete Atrioventricular Block: A Rare Cause of Syncope in Children. West Indian Med J. 2015 Jun;64(3):275-8. doi: 10.7727/wimj.2013.199. Epub 2015 Mar 12. PMID: 26426183; PMCID: PMC4763905.
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West Indian Med J. 2015 Jun;64(3):275-8. doi: 10.7727/wimj.2013.199. Epub 2015 Mar 12.

Paroxysmal Complete Atrioventricular Block: A Rare Cause of Syncope in Children.

The West Indian medical journal

H Olgun, N Ceviz, T Karagoz

Affiliations

  1. Ataturk Universitesi, T?p Fakültesi, Yakutiye Ara?t?rma Hastanesi, Çocuk Kardiyoloji Polk, 25240 Erzurum, Turkey. [email protected].
  2. Divison of Pediatric Cardiology, Ataturk University, Faculty of Medicine, Erzurum, Turkey.
  3. Division of Pediatric Cardiology, Hacettepe University, Faculty of Medicine, Ankara Turkey.

PMID: 26426183 PMCID: PMC4763905 DOI: 10.7727/wimj.2013.199

Abstract

Paroxysmal atrioventricular block (PAVB) is a rare cause of syncope, mostly reported in adults. In the present study, a child with recurrent syncope due to PAVB is reported. A 12-year old boy was admitted due to syncope. Some syncopal episodes were consistent with vasovagal syncope, while others had atypical features. Electrocardiography, echocardiography and 24-hour electrocardiography monitoring were normal. Head-up tilt table test revealed mixed type vasovagal syncope. With beta-blocker treatment, the frequency of syncopal episodes decreased; however, the episodes with atypical features continued. Intracardiac electrophysiological study was normal, but repeated external loop recorder monitoring revealed transient AVB during a syncopal episode. In children with syncope with atypical features, PAVB should be kept in mind. Repeated external loop recorder monitoring may be useful in the diagnosis of such seldom seen arrhythmic causes.

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