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52 year-old male
- None of the five parameters is normal
- Because both the FEV1 and the FEV1/FVC are low, this is an obstructive pattern. Because the FVC is only 69% of predicted, there could also be a restrictive issue as well. However, this can only be confirmed by a decrease in the total lung capacity.
- Because the FEV1 < 50%, this is severe obstruction.
- No bronchodilator was administered.
Authored by William A. French. Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.