A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test pro
Posted: Mon Aug 08, 2022 3:53 pm
A pulmonary function technologist is performing an exercise (stress) test on a patient with severe COPD. As the test progresses, the patient shows signs of increasing dyspnea. Measurements of inspiratory capacity decreased from 2.0 L to 1.5 L. Which of the following most likely occurred?
A. dynamic hyperinflation
B. disconnected gas sampling line
C. drift in the flow transducer
D. acute decrease in FRC
A. dynamic hyperinflation
B. disconnected gas sampling line
C. drift in the flow transducer
D. acute decrease in FRC