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Am J Perinatol 1991; 8(2): 150-152
DOI: 10.1055/s-2007-999365
ORIGINAL ARTICLE

© 1991 by Thieme Medical Publishers, Inc.

Type I Second-Degree AV Block (Mobitz Type I, Wenckebach AV Block) During Ritrodrine Therapy for Preterm Labor

David M. Sherer, Mark N. Nawrocki, Howard O. Thompson, James R. Woods Jr. 
  • Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Strong Memorial Hospital, University of Rochester School of Medicine and Dentistry, Rochester, New York
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Publication Date:
04 March 2008 (online)

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ABSTRACT

A patient, while on intravenous ritodrine therapy for preterm labor, experienced an episode of acute chest pain. The electrocardiogram (ECG), which was read as normal prior to ritodrine infusion, demonstrated a type I second-degree AV block which disappeared upon discontinuation of ritodrine therapy. This case illustrates the need for close ECG monitoring during ritodrine treatment when clinical symptoms arise.