normal breath sounds classifications
intensity, pitch, duration during inspiration and expiration
normal vesicular breath sounds
soft and low pitched
vesicular sounds are normally heard during
inspiration, first third of expiration
vesicular sounds can be heard
over most lung fields
bronchial breath sounds can be heard
often over trachea, main stem bronchi, and sometimes over manubrium
normal bronchial breath sounds
harsher, louder, higher in pitch than vesicular
bronchial breath sounds insp. and exp.
expiratory lasts longer than inspiratory, silent gap may separate
bronchovesicular sounds
intermediate pitch and intensity
bronchovesicular breath sounds insp. and exp.
equal in duration, silent gap may or may not separate
bronchovesicular breath sounds can be heard
in 1st and 2nd spaces anteriorly and between scapula posteriorly
what to listen to when auscultating a person's breathing
duration, pitch, intensity
what to note when auscultating a person's breathing
type of breath sounds, added sounds
what to do if you hear bronchial or bronchiovesicular breaths where they should not be
listen to transmitted voice sounds