In the last post, I discussed COPD and asthma, and how to distinguish them. I introduced the topic of pulmonary function tests, or PFTs. Today, I would like to discuss PFTs in more detail. PFTs allow health care professionals to make the diagnosis of lung disease and to judge how severe it is. PFTs evaluate how well air can flow into and out of the lungs and how effective the lungs are at transferring gas from the air into the bloodstream. The ability of PFTs to diagnose lung disease or...
