ABE WALSTON, M.D., F.A.C.P.; DAVID L. BREWER, M.D.; CRAIG S. KITCHENS, M.D.; JAMES E. KROOK, M.D.
The electrocardiograms (ECG) of seven patients with spontaneous left pneumothorax showed these changes resulting from left pneumothorax: a rightward shift of frontal QRS axis, diminution of precordial R voltage, decrease in QRS amplitude, and precordial T-wave inversion. The electrocardiographic features differ from those seen in acute myocardial infarction because of the absence of ST-segment elevation and significant Q waves. Physicians should be aware of the electrocardiographic changes in left pneumothorax to avoid confusion in differential diagnosis.
WALSTON A, BREWER DL, KITCHENS CS, et al. The Electrocardiographic Manifestations of Spontaneous Left Pneumothorax. Ann Intern Med. 1974;80:375–379. doi: 10.7326/0003-4819-80-3-375
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Published: Ann Intern Med. 1974;80(3):375-379.
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