Spirometry testing in the afternoon vs ... with patients tested in the afternoon 32% less likely to have a positive bronchodilator response compared to those tested in the morning.

Adding a post-bronchodilator spirometry test for asthma adds about 15 min to the test time (but is not needed for COPD evaluations). Finally, the risk of an adverse effect caused by the ...

The criteria for the diagnosis of COPD is a post-bronchodilator FEV1/FVC ratio of < 70% (absolute value). Spirometry technique Spirometric patterns Baseline spirometry: the nurse responsible for ...

So pulmonary function tests showed spirometry bronchodilator, a severe obstructive defect, with significant bronchodilator response. His FEV one was 38% after Bronco dilator increased to 53%.

The researchers found that the odds of a positive bronchodilator response decreased by 8 percent ... the need to document the ...