The effect of pregnancy on the frontal plane QRS axis

David B. Schwartz, Leo Schamroth

Research output: Contribution to journalArticlepeer-review


The electrical axis of the heart is an important parameter in electrocardiographic assessment. Slight degrees of left axis deviation have been attributed to a horizontal heart position resulting from the mechanical effects of abdominal distension, such as the physiological event of pregnancy.1,2 This study was undertaken to establish the validity of this concept.

Original languageEnglish (US)
Pages (from-to)279-281
Number of pages3
JournalJournal of Electrocardiology
Issue number3
StatePublished - 1979

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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