Electrocardiographic applications of lead aVR

Kelly Williamson, Amal Mattu, Claire U. Plautz, Allan Binder, William J. Brady*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


Lead aVR, 1 of 12 electrocardiographic leads, is frequently ignored in clinical medicine. In fact, many clinicians refer to the 12-lead electrocardiogram (ECG) as the 11-lead ECG, noting the commonly held belief that lead aVR rarely offers clinically useful information. In this report, we discuss the findings in lead aVR, which are potentially of value, including ST-segment elevation in the patient with acute coronary syndrome suggestive of left main coronary artery occlusion, PR-segment elevation in the patient with acute pericarditis, prominent R wave in the patient with significant tricyclic antidepressant poisoning, and ST-segment elevation in narrow complex tachycardia suggestive of Wolff-Parkinson-White syndrome.

Original languageEnglish (US)
Pages (from-to)864-874
Number of pages11
JournalAmerican Journal of Emergency Medicine
Issue number7
StatePublished - Nov 2006
Externally publishedYes

ASJC Scopus subject areas

  • Emergency Medicine

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