William Dock, M.D.
JAMA. 1932;99(24):2024-2025. doi:10.1001/jama.1932.27410760001010a.
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There are some etiologic backgrounds for heart disease which the physician must bear in mind because they are so amenable to treatment. Thus, hyperthyroidism in cardiac patients should never be overlooked because successful therapy of the endocrine disturbance so greatly improves the cardiac condition. But there are other etiologic factors which it is almost as important to recognize for the opposite reason; namely, because they are confused with a disorder for which some therapeutic regimen is often recommended. Correct diagnosis would obviate useless treatment. Stenosis of the aortic isthmus (coarctation of the aorta) is a rare disease, but numerous people with it are now being treated for hypertension and being put to unneeded expense and worry in order to rule out renal disease or to carry out some scheme of life designed to lessen metabolic or psychic stress. In those cases of coarctation which are of physiologic importance, the diagnosis


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