An able airman with a disqualify-. ing diagnosis, after FAA review, is given. a letter that permits any Aviation Medi-. cal Examiner to certify after reviewing. the pilot's current medical status, with-. out involving the bureaucracy.
Normal Lung Sounds. Normal breath sounds are classified as tracheal, bronchial, and vesicular sounds. The patterns of normal breath sounds are created by the effect of body structures on air moving through airway. Normal lung sounds can be considered abnormal when the sound occurs in an area in which the sounds should not be present.
Normal Breath Sounds Bronchial Sounds Bronchial breath sounds consist of a full inspiratory and expiratory phase with the inspiratory phase usually being louder. They are normally heard over the trachea and larynx. Bronchial sounds are not normally heard over the thorax in resting animals.lick on box to hear stridor Stertor Stertor is a poorly defined and inconsistently used term to describe harsh discontinuous crackling sounds heard over the larynx or trachea. It is also described as a sonorous snoring sound heard over extrathoracic airways. Stertor does not have the musical quality of stridor.