Some disorders of the cerebral circulation and their clinical manifestations / by Alfred E. Russell.

  • Russell, Alfred E. (Alfred Ernest), 1870-1944.
Date:
1909
Catalogue details

Licence: In copyright

Credit: Some disorders of the cerebral circulation and their clinical manifestations / by Alfred E. Russell. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    and frequency with which the heart may be affected independent of the change in the splanchnic area. The feeble pulse is scarcely a criterion to go by, as it must be affected as the result of the fall in blood-pressure due to the abdominal vaso-dilatation and of the small volume of blood available for the systemic circulation. It would seem probable, however, that in some cases direct cardiac inhibition does occur. The two factors might also be brought into action simul- taneously. Attacks characterised by Cardiac and Vaso- Motor Symptoms with Modification RATHER THAN LoSS OF CONSCIOUSNESS. Attention has been drawn of late to a type of attack in which vagal and vaso-motor symptoms are prominent and in which consciousness, though modified, is not of necessity lost. Gowers describes a series of such cases under the title of “ vagal and vaso-vagal attacks.”* The vagal symptoms were chiefly sensations referred to the stomach, the respiratory system and the heart. The epigastric sensations were those of oppression, or of fulness, or were indescribable. The onset of the attacks was sudden. They were never really brief, seldom lasting less than ten minutes, more often lasting for half an hour or more. A peculiar slight mental state was common; it was generally * ‘ The Borderland of Epilepsy,’ p. i8, et seq.