FORD BALLANTYNE, M.D.
BALLANTYNE F. Myocardial Ischemia and Ambulatory Monitoring. Ann Intern Med. 1983;99:880-881. doi: 10.7326/0003-4819-99-6-880_2
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Published: Ann Intern Med. 1983;99(6):880-881.
To the editor: In their editorial (1) in the February 1983 issue, Armstrong and Morris cite several studies to support their conclusion that ambulatory electrocardiographic monitoring cannot confidently be used to diagnose coronary ischemia (1). Although this conclusion may be correct, the evidence cited is limited and inadequate.
The authors acknowledge early studies that showed a high frequency of ischemic ST segment depression in patients with proven coronary artery disease. They cite the study by Stern and colleagues (2) of 50 patients referred for severe chest pain. Twenty-two of these patients had abnormal resting electrocardiograms, and 16 developed abnormal ST
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