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Case Reports
. 1985 Jan;87(1):124-6.
doi: 10.1378/chest.87.1.124.

A "saw-tooth" pattern in Parkinson's disease

P L Schiffman
Case Reports

A "saw-tooth" pattern in Parkinson's disease

P L Schiffman. Chest. 1985 Jan.

Abstract

A patient with severe Parkinson's disease had a maximum inspiratory and expiratory flow-volume loop showing a "saw-tooth" pattern. It is concluded that this sign is not specific for the sleep apnea syndrome.

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