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IV. THE EFFECT OF ERGOTAMINE ON THE BASAL METABOLISM, CIRCULATION AND BLOOD SUGAR OF NORMAL PERSONS AND OF PATIENTS WITH THYROTOXICOSIS

JOHN B. YOUMANS, M.D.; WILLIAM H. TRIMBLE, M.D.; HELEN FRANK, B.A.

Arch Intern Med. 1931;47(4):612-632.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Ergotamine and the closely related and pharmacologically similar ergotoxin constitute the principal alkaloids of ergot and exhibit all the effects of that drug on the uterus. In addition they have been shown to exert an effect on various parts of the sympathetic nervous system, in particular, a paralyzing or depressing action on the motor elements of that system that are stimulated by epinephrine. Briefly, in animals they not only antagonize the pressor effect of epinephrine on the systemic arteries, but under suitable conditions cause a reversal of the usual effect of epinephrine on the blood pressure.¹ Ergotamine inhibits the dilator effect of epinephrine on the coronaries,² and by its effect on the sympathetic nerves of the heart is said to slow the rate of sinus rhythm³ and to neutralize the accelerator action of epinephrine.⁴ In addition, ergotamine has been reported both to lower⁵ and to raise β the blood sugar . . . [Full Text PDF of this Article]

Author Affiliations
With the Technical Assistance of HELEN FRANK, B.A. NASHVILLE, TENN.

NASHVILLE, TENN.

From the Department of Medicine, Vanderbilt University School of Medicine.

Footnotes
Submitted for publication, Aug. 16, 1930.

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