Vocal fremitus

Vocal fremitus is described as a vibration in the chest wall that is felt on palpatation and is produced when speaking.

Differential Diagnosis
In alphabetical order.

Increased

 * Atelectasis
 * Bronchiectasis
 * Congested lung
 * Pneumonia

Decreased

 * Emphysema
 * Obstructive atelectasis
 * Pleural Effusion
 * Pneumothorax