In which position can the mediastinal crunch (Hamman sign) best be heard?
A) A supine position
B) Lying on the left side
C) Sitting completely upright
D) With the head elevated 30 degrees

Question

Quizplus · Accepted Answer

The Hamman sign occurs with mediastinal emphysema. The adventitious breath sounds are synchronous with the heartbeat and are best heard when the patient leans to the left or lies down on the left side (these maneuvers bring the heart muscle closer to the chest wall).

In Which Position Can the Mediastinal Crunch (Hamman Sign) Best