coarse crackles


A loud and low-pitched, discontinuous, ‘explosive’ crackling sound heard in patients with pneumonia, atelectasis, pulmonary fibrosis, acute bronchitis, bronchiectasis, or pulmonary oedema secondary to left-sided congestive heart failure

coarse crackles

Louder, rather long, low-pitched lung sounds. Coarse inspiratory and expiratory crackles indicate excessive airway secretion. See also: crackle