Crackles - Fine (Rales) 201

Fine crackles are brief, discontinuous, popping lung sounds that are high-pitched. Fine crackles are also similar to the sound of wood burning in a fireplace, or hook and loop fasteners being pulled apart or cellophane being crumpled. Crackles, previously termed rales, can be heard in both phases of respiration. Early inspiratory and expiratory crackles are the hallmark of chronic bronchitis. Late inspiratory crackles may mean pneumonia, CHF, or atelectasis.

Listen

patient torso with stethoscope chestpiece
patient position during auscultation
The patient's position should be seated.

static waveform for 30

Visualize

static waveform for 30






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