During a pulmonary function study, it was found that a patient has a sawtooth pattern on his flow-volume loop. What is this finding associated with?
A) Central sleep apnea
B) COPD
C) Obstructive sleep apnea
D) Laryngeal edema (epiglottitis)

Question

Quizplus · Accepted Answer

A sawtooth pattern on the flow-volume loop is typically associated with obstructive sleep apnea due to the repetitive partial or complete obstruction of the upper airway during sleep.

During a Pulmonary Function Study, It Was Found That a Patient