Although an increased use of accessory ventilatory muscles coupled with rapid, shallow breathing may signal impending diaphragmatic fatigue, which of the following signs is typically seen in critically ill patients with ventilatory failure and diaphragmatic fatigue?

Question

Quizplus · Accepted Answer

Critically ill persons exhibiting asynchrony have an increased risk of ventilatory failure. A visual sign of overt diaphragmatic fatigue is abdominal paradox, in which the abdomen is sucked inward during inspiration as the rib cage expands outward-evidence that the rib cage muscles are predominantly being used.

Although an Increased Use of Accessory Ventilatory Muscles Coupled with Rapid