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Electrocardiographic Diagnosis of Left Atrial Enlargement
Martin A. Alpert, MD;
Kirubakaran Munuswamy, MD
Arch Intern Med. 1989;149(5):1161-1165.
Abstract
• Established scalar electrocardiographic criteria for left atrial enlargement are based on abnormalities of the P-terminal force, total P-wave duration, and the relationship of total P-wave duration to PR-interval duration. These electrocardiographic signs may also result from left atrial hypertension, left atrial hypertrophy, and interatrial conduction defects. This article describes the scalar electrocardiographic criteria for left atrial enlargement in current use, and provides a critical appraisal of their efficacy in diagnosis.
(Arch Intern Med. 1989;149:1161-1165)
Author Affiliations
From the Departments of Medicine, University of Missouri Health Sciences Center and Harry S Truman Veterans Administration Medical Center, Columbia.
Footnotes
Accepted for publication January 17, 1989.
Reprint requests to Division of Cardiology, Room IE-65, University of Missouri Health Sciences Center, One Hospital Dr, Columbia, MO 65212 (Dr Alpert).
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