April 11, 1885


JAMA. 1885;IV(15):402-403. doi:10.1001/jama.1885.02390900010004

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In this form of dyspnœa the respirations are at first very shallow, scarcely perceptible, but increase in depth and rapidity until the acme is reached, after which they decline in vigor and frequency, at length ceasing altogether. After a short period of apnœa the same phenomena are repeated, an interval of rest succeeding each cycle of respiratory efforts. It was first described by the observers whose names it bears. It is seen in cases of organic heart disease and lesions of the brain, injuries involving the respiratory centre, cerebral hæmorrhage, etc. In pressure upon or injuries of the medulla, it is not difficult to understand the occurrence of this respiratory disorder, but the reason for its presence in organic diseases of the heart is not readily understood, and hence the theories offered to explain it. Whatever be the mode of its production, one thing is certain; it is a precursor

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