A patient with atelectasis is being monitored by bedside spirometry. What findings would correspond with atelectasis?
1. Decreased IC
2. Increased PEFR
3. Decreased VC
4. Increased DLCO
a. 2
b. 1, 3
c. 1, 2, 4
d. 1, 2, 3, 4
B
A patient with atelectasis will have a decreased IC (inspiratory capacity) and VC (vital capacity) because there is less air in the lungs to blow out. The PEFR (peak expiratory flow rate) and DLCO (diffusion of lung carbon monoxide) values will also be decreased.
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