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AN ELECTROCARDIOGRAPHIC STUDY WITH SPECIAL REFERENCE TO THE DIFFERENCES BETWEEN RIGHT AND LEFT VAGAL AND OCULAR PRESSURES IN TABETICS AND NON-TABETICS

SAMUEL A. LEVINE, M.D.

Arch Intern Med. 1915;XV(5 1):758-785.

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

INTRODUCTION AND HISTORICAL REVIEW

In 1908 B. Aschner¹ first observed that pressure on the eyeball caused slowing of the pulse and decrease in the depth of respirations. He found that it would arouse stuporous, anesthetized and unconscious patients, and enable them to respond to questions. He also showed that in narcosis the oculocardiac reflex lasts longer than the corneal or pupillary reflexes. Grossmann and Miloslavich² in 1912 made similar observations, and Fabre and Petzetakis,³ working six years later than Aschner, confirmed the observation that the oculocardiac reflex persists even under deep ether or chloroform anesthesia, and can be elicited after the corneal reflex has gone. It was demonstrated by Aschner that the afferent impulse of the reflex passes through the trigeminal nerve to its nucleus in the midbrain, and that the efferent passes by way of the pneumogastric nerve. By cutting the third, fourth, sixth, seventh or . . . [Full Text PDF of this Article]

Author Affiliations
BOSTON

From the Hospital of the Rockefeller Institute for Medical Research, New York.

Footnotes
Submitted for publication Nov. 4, 1914.

This work was done in part under a grant from the Proctor Fund of the Harvard Medical School for the study of chronic diseases.

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