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The First International Symposium on Cardiology in Aviation, although symposiac in part, is predominantly a compilation of cardiovascular data recorded upon Air Force personnel. The main body of the data consists of 67,375 electrocardiograms collected within Dr. Lawrence E. Lamb's U.S. Air Force Electrocardiographic Repository since its establishment in April of 1957. These Electrocardiographic Studies (Section IV) were analyzed in 10 Parts (I. Incidence of Abnormalities; II. Supraventricular Rhythms; III. Ventricular Rhythms; IV. Wolff-Parkinson-White Syndrome; V. Complete Left Bundle Branch Block; VI. Complete Right Bundle Branch Block; VII. A-V Block; VIII. Non-Specific T Wave Changes; IX. Myocardial Infarction; X. Normal Values): of particular interest, among the discussions of separate electrocardiographic abnormalities, were the analytical comments directed toward experiences with, and experiments upon, the Wolff-Parkinson-White syndrome and an entity entitled atrial rhythm. Among these electrocardiograms, taken upon asymptomatic and apparently healthy individuals, were recorded the astonishing number of 2,527 abnormalities (3.7%,
Blake DF. The First International Symposium on Cardiology in Aviation. Arch Intern Med. 1961;108(4):654–655. doi:10.1001/archinte.1961.03620100146032
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