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CLINICAL, ELECTROENCEPHALOGRAPHIC AND ELECTROCARDIOGRAPHIC OBSERVATIONS

GEORGE L. ENGEL, M.D.; JOHN ROMANO, M.D.; T. R. McLIN, M.D.

Arch Intern Med. 1944;74(2):100-119.

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

Syncope, or fainting, is by definition a transient reaction, and only rarely does the physician have an opportunity to make careful observations during a spontaneous episode. Certain types of syncope which may be provoked at will, notably carotid sinus syncope,¹ spontaneous and induced orthostatic hypotension² and some rare examples of vagovagal syncope,³ have been studied extensively. The introduction of the inkwriting electroencephalograph (Grass) offers a method of obtaining continuous simultaneous records of the electrical activity of the brain (electroencephalogram) and of the heart (electrocardiogram) during the syncopal experience and of correlating these with other clinical and physiologic data. In this paper we are reporting on the clinical, electroencephalographic, electrocardiographic and circulatory responses observed during a variety of syncopal reactions, including syncope provoked by venipuncture, by distention of the duodenum, colon, rectum or vagina, by hyperventilation and by carotid sinus reflex. The mechanisms of these various types of . . . [Full Text PDF of this Article]

Author Affiliations
CINCINNATI

From the Department of Psychiatry, University of Cincinnati College of Medicine.

Footnotes
Formerly Dazian Fellow, Harvard Medical School.

Voluntary Graduate Assistant, Peter Bent Brigham Hospital.

This work was made possible by grants from the Commonwealth Foundation and the George Harrington Trust Fund.

Most of the investigation was carried out in the Medical Clinic of the Peter Bent Brigham Hospital, Boston, and in the Department of Medicine, Harvard Medical School.

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