Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth

Transient episodes of fetal bradycardia (heart rate less than 110 bpm) are usually benign and typically result from increased vagal stimulation in the fetus. Causes of sustained fetal bradycardia include sinus bradycardia, blocked atrial bigeminy/trigeminy, high-degree atrioventricular block, and lo...

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Main Authors: V. Martucci, A. Cerekja, A. Caiaro, G. Bosco, R. Lucchini, G. Piacentini, B. Marino, Flavia Ventriglia
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Case Reports in Obstetrics and Gynecology
Online Access:http://dx.doi.org/10.1155/2012/406497
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author V. Martucci
A. Cerekja
A. Caiaro
G. Bosco
R. Lucchini
G. Piacentini
B. Marino
Flavia Ventriglia
author_facet V. Martucci
A. Cerekja
A. Caiaro
G. Bosco
R. Lucchini
G. Piacentini
B. Marino
Flavia Ventriglia
author_sort V. Martucci
collection DOAJ
description Transient episodes of fetal bradycardia (heart rate less than 110 bpm) are usually benign and typically result from increased vagal stimulation in the fetus. Causes of sustained fetal bradycardia include sinus bradycardia, blocked atrial bigeminy/trigeminy, high-degree atrioventricular block, and long QT syndrome. We present the case of a 34-year-old Caucasian patient referred to our department for “blocked atrial bigeminy with pseudobradycardia” detected elsewhere at 33 weeks of gestation. A fetal echocardiography showed during all the examination a blocked atrial trigeminy with a mean fetal heart rate of 100 bpm. After birth three subsequent ECGs until day 3 showed no evidence of atrial extrasystoles, confirming the well-known frequent regression of this kind of fetal benign arrhythmia, but on day 11 recurrence of supraventricular trigeminy and development of episodes of paroxystic supraventricular tachycardia were observed. On the basis of this observation, we recommend that fetuses with complex atrial ectopic beats should be closely monitored before and after birth for evidence of new arrhythmias.
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publishDate 2012-01-01
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series Case Reports in Obstetrics and Gynecology
spelling doaj-art-000c14e1bec244fa9a6f65fb2e3411952025-02-03T01:32:28ZengWileyCase Reports in Obstetrics and Gynecology2090-66842090-66922012-01-01201210.1155/2012/406497406497Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after BirthV. Martucci0A. Cerekja1A. Caiaro2G. Bosco3R. Lucchini4G. Piacentini5B. Marino6Flavia Ventriglia7Pediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyUltrasound Division, ASL Roma B, 00169 Rome, ItalyPediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyPediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyNeonatal Pathology and NICU, Policlinico Umberto I, Sapienza University of Rome, 00161 Rome, ItalyPediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyPediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyPediatric Cardiology, Sapienza University of Rome, Viale Regina Elena, 324, 00161 Rome, ItalyTransient episodes of fetal bradycardia (heart rate less than 110 bpm) are usually benign and typically result from increased vagal stimulation in the fetus. Causes of sustained fetal bradycardia include sinus bradycardia, blocked atrial bigeminy/trigeminy, high-degree atrioventricular block, and long QT syndrome. We present the case of a 34-year-old Caucasian patient referred to our department for “blocked atrial bigeminy with pseudobradycardia” detected elsewhere at 33 weeks of gestation. A fetal echocardiography showed during all the examination a blocked atrial trigeminy with a mean fetal heart rate of 100 bpm. After birth three subsequent ECGs until day 3 showed no evidence of atrial extrasystoles, confirming the well-known frequent regression of this kind of fetal benign arrhythmia, but on day 11 recurrence of supraventricular trigeminy and development of episodes of paroxystic supraventricular tachycardia were observed. On the basis of this observation, we recommend that fetuses with complex atrial ectopic beats should be closely monitored before and after birth for evidence of new arrhythmias.http://dx.doi.org/10.1155/2012/406497
spellingShingle V. Martucci
A. Cerekja
A. Caiaro
G. Bosco
R. Lucchini
G. Piacentini
B. Marino
Flavia Ventriglia
Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
Case Reports in Obstetrics and Gynecology
title Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
title_full Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
title_fullStr Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
title_full_unstemmed Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
title_short Blocked Atrial Bi/Trigeminy In Utero Evolving in Supraventricular Tachycardia after Birth
title_sort blocked atrial bi trigeminy in utero evolving in supraventricular tachycardia after birth
url http://dx.doi.org/10.1155/2012/406497
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