Listen for normal breath sounds
Vesicular (soft)
Duration: Longer in inspiration
Location: Most of the lungs
Brochovesicular (medium intensity)
Duration: Equal in inspiration and expiration
Location: 1st and 2nd intercostal spaces anteriorly, interscapular area posteriorly
Bronchial (loud)
Duration: Longer in expiration, silent gap between inspiration and expiration
Location: Most of the lungs
Tracheal (very loud)
Duration: Equal in inspiration and expiration, silent gap
Location: Trachea