<unk> s are creaking leathery lung sounds, that is both inspiratory and expiratory.<unk>  and visceral linings become inflamed due to<unk> bing during the respiratory process. Sound is consistent through inhalation and exhalation.<unk> <unk> bing is characteristic of pleurisy and is associated with<unk>  effusion and chest pain when breathing.
Pleural friction rub
White out of the hemithorax
Subcutaneous emphysema
Round atelectasis
Trapped lung
Pulmonary consolidation
Confusion chest x ray
Round pneumonia