How is emphysema diagnosed?
Many people ignore the initial symptoms of emphysema and seek medical treatment only after the disease functionally limits them. In order for your physician to make a diagnosis of emphysema a series of tests likely will be scheduled. These tests not only assist in making the diagnosis, but also help determine how far the disease has progressed. These tests may include: • Pulmonary Function Testing. Also referred to as PFTs, pulmonary function tests are used to determine several characteristics and capabilities of your lungs. They can be performed in a physician’s office or laboratory and will measure the following: • Total Lung Capacity. This is the amount of air your lungs are capable of holding. • Forced Expiratory Volume. This test measures how efficiently you can move air in and out of your lungs. • Pulse Oximetry. This non-invasive test involves placing a lighted clip on your finger or toe to indirectly measure the amount of oxygen in your blood. • Arterial Blood Gas. This is a bl