Low voltage ECG in myocarditis: Peripheral edema as a plausible contributing mechanism

John E. Madias

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

A 24-year-old woman was hospitalized with acute myocarditis that led to multiple organ, including heart, failure, with fluid retention. An echocardiogram showed left ventricular ejection fraction ∼10%, and her electrocardiogram (ECG) revealed low voltage. She rapidly recovered and was discharged 15 days after admission. On evaluation at 1, 10, and 22 weeks after discharge, she was asymptomatic, with unlimited exercise tolerance. An echocardiogram 11 weeks after discharge from the hospital showed left ventricular ejection fraction of ∼60%. Correlations of weights with ECG QRS voltage parameters in the hospital revealed r = 0.80 and 0.83, with P = 0.021 and 0.029, suggesting that ≥64% of the attenuation of the QRS potentials could be accounted for by the corresponding gain in weight.

Original languageEnglish
Pages (from-to)448-452
Number of pages5
JournalPACE - Pacing and Clinical Electrophysiology
Volume30
Issue number3
DOIs
StatePublished - Mar 2007
Externally publishedYes

Keywords

  • Congestive heart failure
  • ECG
  • ECG transfer impedance
  • Myocarditis
  • Peripheral edema
  • Pulmonary congestion
  • QRS complexes

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