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November 23, 1935


Author Affiliations


From the Lahey Clinic.

JAMA. 1935;105(21):1662-1666. doi:10.1001/jama.1935.02760470016004

A thyrocardiac patient is one having thyroid toxicity and significant heart disease. For the purposes of making a study of the end results, significant heart disease has been taken to be (1) auricular fibrillation or flutter, or (2) congestive heart failure.1 Many most serious cases of heart disease, however, which might appear to be quite dangerous for the administration of an anesthetic, do not fall within this group. For this reason it has seemed best in studying the effect of anesthesia to include in this group not only the aforementioned heart conditions but also cases of coronary disease, angina pectoris, and the two most serious valvular lesions, mitral stenosis and aortic regurgitation. The question of diagnosis will not be considered. All diagnoses have been made by the medical department of the Lahey Clinic. No doubtful diagnoses have been considered, but when a definite diagnosis was made by the medical