CARTER SMITH, M.D.; H. CLIFF SAULS, M.D., F.A.C.P.
Occasionally we encounter patients with heart disease who have none of the usual etiological or associated diseases, viz., hypertension, the rheumatic syndrome, or lues. Obscure hyperthyroidism must be excluded in these cases. Since 1924 there have been numerous publications on hyperthyroidism masked as heart disease. Levine and Walker1 recently reviewed the literature and reported eleven such cases.
Thyrotoxicosis imposes a tremendous burden on the heart. Even with the patient at rest the work of the heart in an individual with hyperthyroidism is comparable to that of the normal heart when undergoing the most strenuous exercise.2 If this overactivity is continued
SMITH C, SAULS HC. Some Unusual Cardiac Complications of Hyperthyroidism12: A Report of Four Cases. Ann Intern Med. 1933;6:1097–1105. doi: 10.7326/0003-4819-6-8-1097
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Published: Ann Intern Med. 1933;6(8):1097-1105.
Cardiology, Endocrine and Metabolism, Thyroid Disorders.
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