MICHAEL M. LAKS, M.D., F.A.C.P.; JAMES DAHLGREN, M.D.; WILLIAM J. MANDEL, M.D., F.A.C.P.
To the editor: The availability of a device for the continuous monitoring of electrograms has made possible the detection of occult arrhythmias (1-3). In a case of variant angina pectoris, transient ST-segment elevation was discovered initially by the dynamic electrogram (DECG) (Holter-Avionics system, Electrocardiocorder #350c, Electrocardioscanner #650).
A 60-year-old male was admitted to the hospital for a diagnostic workup for microscopic hematuria. A routine electrocardiogram showed a complete right bundle-branch block, left anterior hemiblock, and premature ventricular and atrial contractions. A dynamic ECG was ordered to detect the possible presence of dysrhythmias that would require the insertion of an artificial
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LAKS MM, DAHLGREN J, MANDEL WJ. Variant Angina Pectoris. Ann Intern Med. 1973;78:309–310. doi: 10.7326/0003-4819-78-2-309_2
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Published: Ann Intern Med. 1973;78(2):309-310.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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