Journal
EUROPEAN HEART JOURNAL-CASE REPORTS
Volume 6, Issue 6, Pages -Publisher
OXFORD UNIV PRESS
DOI: 10.1093/ehjcr/ytac213
Keywords
Pregnancy; Atrio-ventricular nodal reentry tachycardia; Adenosine; Continuous electrophysiological Foetal monitoring; Case report
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This case report suggests that the administration of intravenous adenosine during pregnancy may have an effect on the foetal conduction system, and further investigation is required.
Background Maternal tachycardia is the most frequently occurring cardiac complication during pregnancy. Often administration of drugs is required as a treatment. The drug of choice is intravenously administered adenosine because it is considered safe, though there are limited studies regarding safety for the foetus with the use of adenosine. Case summary We report a conversion of maternal atrio-ventricular (AV) nodal reentry tachycardia during pregnancy with the use of intravenous adenosine whilst continuous electrophysiological foetal monitoring. Four seconds after the maternal conversion, the foetal tracing suggests the presence of a ventricular extrasystole or a transient AV block. Discussion This case report illustrates that the administration of adenosine intravenously during pregnancy could have an effect on the foetal conduction system. Therefore, further investigation to assess the electrophysiological effect of adenosine on the foetal electrocardiogram seems required.
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