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Breathing Sounds and patterns

Crackle An abnormal, discontinuous, high pitched popping sound heard more often during inspiration.
Pleural Friction Rub Dry, crackling sound heard during both inspiration and expiration
Rhonchi Continuous low-pitched sounds described as having a "snoring" or "gurgling" quality that may be heard during both inspiration and expiration
Stridor continuous high-pitched wheeze heard with inspiration and expiration
Wheeze Continuous musical or whisting sound composed of variety or pitches. Heard during both inspiration and/or expiration, but variable from minute to minute and area to area
Apnea Absence of spontaneous breathing
Biot's Irregular breathing; breaths vary in depth and rate with periods of apnea, often assoc. with increased intracranial pressure or damage to the medulla
Bradypnea Slower than normal respiratory rates <12 breaths/minute
Cheyne-Stokes Decreaing rate and depth of breathing with periods of apnea; can occur due to central NS damage
Eupnea Normal rate of depth of breathing
Hyperpnea Increased rate and depth of breathing
Tachypnea Faster than normal respiratory rate; >20 breaths/minute
Created by: ckdabne