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Lambda-like J wave due to acute myocardial infarction of the diagonal branch

Shusuke Yagi1,2, Rie Ueno1, Kumiko Sutou1

  • 1Department of Cardiovascular Medicine, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.

The Journal of Medical Investigation : JMI
|May 9, 2019
PubMed

Insights

Electrocardiogram findings can predict acute myocardial infarction culprits. This case highlights a discrepancy between ST-T elevation with lambda-like J waves and actual coronary artery findings, suggesting ischemia.

Area of Science:

  • Cardiology
  • Medical Diagnostics
  • Ischemic Heart Disease

Background:

  • Electrocardiogram (ECG) findings are typically used to predict the culprit lesion in acute myocardial infarction (AMI).
  • However, discrepancies between predicted and actual coronary angiographic findings can occur.
  • The lambda-like J wave, a potential indicator of ischemia, has an incompletely understood mechanism.

Keywords:
J waveacute coronary syndromediagonal branch

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