CHARLES SHOOKHOFF, M.D.; ALBERT H. DOUGLAS, M.D.
Since Pardee,1 in 1930, re-directed attention to the Q-wave and reported a relative frequency of large Q3's, in cases that showed coronary artery disease, there has been an increased effort directed toward the determination of the significance of Q and, more particularly, of a large Q3. All such work in the Q-wave has been based on the assumption that the term Q, or Q3, designates a more or less definite part of the electrocardiogram, and that it probably refers to the activation of a fairly definite part of the heart. In this paper we shall attempt an analysis of the
SHOOKHOFF C, DOUGLAS AH. THE "Q" DEFLECTION IN NORMAL AND ABNORMAL HUMAN ELECTROCARDIOGRAMS1. Ann Intern Med. 1934;8:177–191. doi: 10.7326/0003-4819-8-2-177
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Published: Ann Intern Med. 1934;8(2):177-191.
Cardiac Diagnosis and Imaging, Cardiology.
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