منابع مشابه
The Effective Stimulus for Increased Pulmonary Ventilation during Muscular Exertion.
The control of the pulmonary ventilation is a central problem in the physiology of muscular exercise. The hypothesis that the respiratory center is stimulated by chemical changes in the arterial blood has been defended by Gesell (1), Haldane (2), and Henderson (3). In addition to this type of stimulation, Krogh and Lindhard (4) have discussed the anticipatory hyperventilation preceding and imme...
متن کاملHæmoglobinuria in a Case of Malarial Fever
Slit,?Since my notes on the above case were in print I have received a letter from the patient informing me that on the second day of his fever?9th September?after a long bicycle ride he poured four or five buckets of cold water over himself while very hot. This may have supplied the exciting cause, though one would have expected hematuria rather than hemoglobinuria after such an act of folly. ...
متن کاملExertion Games
Can you jog with a friend who lives in London? Is it possible to play a fair game of table tennis with 3 people? How can you box with people on the other side of the world? Florian ‘Floyd’ Mueller has explored “Sports over a Distance” as part of his research on “Exertion Games” – these are games that require physical effort from their players – marrying human-computer interaction, computer game...
متن کاملThe Reticulo-Endothelial System in Malarial Hæmoglobinuria of Monkeys
It is generally accepted that of the manyways of studying the problems relating to the reticuloendothelial system splenectomy is one of the most valuable and popular methods. The spleen being one of the organs rich in reticuloendothelial cells, the removal of the organ is assumed to result both in the lowering of the total number of reticuloendothelial cells and in the diminution of the functio...
متن کاملTriggering of sudden death from cardiac causes by vigorous exertion.
BACKGROUND Retrospective and cross-sectional data suggest that vigorous exertion can trigger cardiac arrest or sudden death and that habitual exercise may diminish this risk. However, the role of physical activity in precipitating or preventing sudden death has not been assessed prospectively in a large number of subjects. METHODS We used a prospective, nested case-crossover design within the...
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ژورنال
عنوان ژورنال: The American Journal of the Medical Sciences
سال: 1895
ISSN: 0002-9629
DOI: 10.1097/00000441-189505000-00038