Cough/sneeze analyzer and method

Details Cough/sneeze analyzer and method Cough/sneeze analyzer and method

2006-09-12

2006-09-12

Marmar, II, Charles A. (Department: 3735)

Surgery

Diagnostic testing

Respiratory

Reexamination Certificate

active

07104962

ABSTRACT:
A cough event is differentiated from a sneeze event of a test subject enclosed within a plethysmograph test chamber by measuring air pressure changes during the event, and comparing the pressure changes against criteria indicative of a cough to determine the likelihood that the event is a cough. Air pressure changes are recorded as pressure and/or sound values. A graphical record of a waveform of changes in the air pressure during an event relative to a baseline value is recorded, and a value is calculated that is indicative of the likelihood that the event is a cough based on the sizes of areas between the waveform and baseline during the event, said areas including a first area indicative of the change in air pressure during air inspiration, a second area indicative of the change in air pressure during air compression, and a third area indicative of the change in air pressure during expiration.

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