An experimental electronic stethoscope for use aboard aeromedical evacuation flights and on flight lines was developed. Preliminary evaluation has indicated that such an instrument is both feasible and useful aboard aeromedical-evacuation aircraft and in patient staging areas on the flight line. Utilization of a noise-shielded pickup and earphones mounted in a noise-protection earmuff, plus the use of appropriate filter circuits, substantially excludes environmental noise while enhancing the audibility of desired sounds. (Author)


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    Title :

    An Experimental Electronic Stethoscope for Aircraft Use


    Contributors:
    F. A. Brogan (author) / F. G. Collins (author) / M. E. Wing (author)

    Publication date :

    1967


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English