Adventitious or Added Breathe Sounds Flashcards
(13 cards)
Discontinuous
Crackles or rales
continuous
wheezes and rhonchi
Intermittent, nonmusical, and brief
Crackles or rales
Like dots in time
crackles or rales
soft, high- pitched, very brief (5–10 msec)
fine crackles
somewhat louder, lower in pitch, brief (20–30 msec)
coarse crackles
≥250 msec, sinusoidal prolonged (but not necessarily persisting throughout the respiratory cycle)
wheezes and rhonchi
Like dashes in time
wheezes and rhonchi
musical, relatively high pitched (≥400 Hz) with hissing or
shrill quality
wheezes
relatively low pitched (≤200 Hz) with snoring quality
rhonchi
is a continuous high frequency, high pitched musical sound produced during airflow through a narrowing in the upper respiratory tract
stridor
is a discontinuous, low-frequency, grating sound that arises from inflammation and roughening of the visceral pleura as it slides the against the parietal pleura.
pleural friction rub
is a series of precordial crackles synchronous with the heartbeat, not with respiration.
mediastinal crunch (Hamman Sign)