The indispensable prerequisite to proper treatment is precise diagnosis. Medical diagnosis advances by the accumulation of careful clinical observations and by the utilization of laboratory methods for the detection of disease. The need for more precise diagnosis stimulates the creation and perfection of new diagnostic tools, and these new implements in turn open up new fields of study. Clinical observation is subjective, being dependent upon the keenness of the observer and upon his experience; laboratory methods are ideally objective. In the search for objective evidence to supplement one's clinical impression there is a tendency to overemphasize the value of certain
THE PRESENT STATUS OF ELECTROCARDIOGRAPHY. Ann Intern Med. 1950;33:1314–1322. doi: 10.7326/0003-4819-33-5-1314
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Published: Ann Intern Med. 1950;33(5):1314-1322.
Cardiac Diagnosis and Imaging, Cardiology.
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