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Maurice Verdy, MD, FRCP (C), CSPQ; Jean Lapierre, MD; Hélène Sansoucy; Robert Lefebvre, MD

JAMA. 1968;204(1):71-73.

Abstract
Achilles reflex time (ART) has been advocated for assessing thyroid function in outpatients. The effect of exercise on ART was studied in 20 patients, six of whom were healthy, six were hospitalized for unrelated medical reasons, and eight had hypothyroidism. Control recordings with the subjects at rest were made. Following exercise there was significant shortening of ART in both euthyroid and hypothyroid groups. Shortened ART is significant clinically, since simultaneously prolonged ART of hypothyroid patients is in the normal range.

Author Affiliations
From the Department of Medicine, Section of Endocrinology and Nutrition, Hôtel-Dieu Hospital, Montreal.

Footnotes
Reprint requests to 3840, Rue St.-Urbain, Montreal 18 (Dr. Verdy).

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