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Electrocardiogram Changes Suggestive of Coronary Artery Disease in PneumothoraxTheir Reversibility With Upright Posture
Robert B. Copeland, MD;
Gilbert S. Omenn, MD
Arch Intern Med. 1970;125(1):151-153.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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Spontaneous pneumothorax is an important consideration in the differential diagnosis of acute chest pain. Unless evidence of pneumothorax is sought carefully, this diagnosis may be missed on physical examination. In recent months, we have seen several patients with pneumothorax in whom complaints of chest pain and dyspnea, coupled with an abnormal electrocardiogram, raised the diagnostic possibility of myocardial infarction. We wish to draw attention to the ECG abnormalities associated with pneumothorax and to the useful sign of normalization of the ECG when the patient is in the sitting position.
Patient Summaries
PATIENT 1 (141-75-02).
—A 20-year-old man experienced, during exertion, the sudden onset of nonradiating pain in the left anterior portion of the chest, associated with moderate dyspnea and sweating.
On physical examination, he was a thin, muscular man in moderate respiratory distress with a blood pressure of 140/80 mm Hg; pulse rate, 90 beats per minute; respirations, 30/min; and
. . . [Full Text PDF of this Article]
Author Affiliations
Boston
From the Department of Medicine, Massachusetts General Hospital, Boston. Dr. Copeland is now with the Clark-Holder Clinic, LaGrange, Ga; Dr. Omenn is with the National Institute of Arthritis and Metabolic Diseases, Bethesda, Md.
Footnotes
Received for publication Jan 21, 1969; accepted April 15.
Reprint requests to 303 Smith St, LaGrange, Ga 30240 (Dr. Copeland).
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