Abnormal dyspnea perception detection system and method

Details Abnormal dyspnea perception detection system and method Abnormal dyspnea perception detection system and method

1994-10-03

1996-12-10

Cohen, Lee S.

Surgery

Truss

Pad

128720, 128725, A61B 5087

Patent

active

055821820

ABSTRACT:
Apparatus and methods to test respiratory patients for altered dyspnea awareness. The device imposes a defined inspiratory resistive load under controlled breathing conditions and records the patient's subjective sensation of dyspnea over time by incrementally increasing the inspiratory resistive load. In a preferred embodiment, the patient breathes in a controlled manner with visual biofeedback prompting, having predetermined respiratory rate, inspiration to expiration time ratio and inspiration and expiration respiratory waveforms.

REFERENCES:
patent: 3621833 (1971-11-01), Crane
patent: 3857385 (1974-12-01), Hampl
patent: 3991304 (1976-11-01), Hillsman
patent: 4984158 (1991-01-01), Hillsman
(Poster Presentation and Abstract)-Lowered Chemosensitivity And Perception Of Dyspnea In Patients With Near-Fatal Asthma. Kikuchi, Y. et all. Respiratory and Critical Care Medicine; vol. 149, No. 4, Apr. 1994 (part 2), p. A929, Abstract No. A444.
(Scientific Papaer)-Chemosensitivity And Perception Of Dyspnea In Patients With A History Of Near-Fatal Asthma. Kikuchi, Yoshihiro, et all. The New England Journal of Medicine; vol. 330, No. 19, May 12, 1944, pp. 1329 to 1334.

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