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The importance of electrocardiography in medicine is recognized. Books on the subject have varied from a brief description of "PQRST" to an American "Handbuch." Recently, many monographs on unipolar electrocardiography, with little or no consideration of the arrhythmias, have appeared and an almost "indigestible" literature has developed.
"Men acquire sound and useful knowledge of an unfamiliar field most readily by working in it and studying at the same time." The man who studies electrocardiography by taking records on his own patients acquires much knowledge that is obtainable in no other way. He learns to correlate the history and the physical, laboratory, and graphic findings and acquires the habit of considering all data before attempting a definite diagnosis; he associates and remembers these as a single clinical experience. Much practice and study is required to master the basic principles and to apply them in the solution of the problems of clinical
The Unipolar Electrocardiogram: A Clinical Interpretation. JAMA. 1952;150(3):254. doi:10.1001/jama.1952.03680030086032
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