James J. Morris Jr., M.D.; Robert H. Peter, M.D.; Henry D. McIntosh, M.D., F.A.C.P.
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With atrial fibrillation present, little diagnostic or functional significance has been attached to the atrial fibrillatory waves. With sinus rhythm present, P wave analysis is of clinical significance. Previous studies analyzing the P wave have shown that the index termed the P terminal force (Ptf), when abnormal (< - 0.4), is a sensitive index of left atrial hypertrophy. In the present study fibrillatory waves and the Ptfs have been compared in the same patients in order to evaluate the clinical implications of fibrillatory wave amplitude.
The maximum amplitude of the fibrillatory wave in each of 100 patients was measured in
Morris JJ, Peter RH, McIntosh HD. Comparison of Fibrillatory Waves and P-Waves in the Electrocardiogram.. Ann Intern Med. ;64:1152–1153. doi: 10.7326/0003-4819-64-5-1152_3
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Published: Ann Intern Med. 1966;64(5):1152-1153.
Cardiac Diagnosis and Imaging, Cardiology.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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