When does flail chest usually occur?
A) An open puncture wound involves the pleural membranes.
B) The visceral pleura is torn by a fractured rib.
C) Several ribs are fractured at two sites.
D) Increasing fluid in the pleural cavity causes atelectasis.

Question

Quizplus · Accepted Answer

Flail chest usually occurs when several ribs are fractured at two sites, leading to a segment of the chest wall that moves independently from the rest of the chest during respiration.

When Does Flail Chest Usually Occur