1. Spirometry is a noninvasive test to evaluate lung work. During the test, you'll take a full breath and afterward blow into a cylinder associated with the spirometer.
2. Imaging tests incorporate a chest X-beam or CT filter. These pictures can give a nitty gritty glance at your lungs, veins, and heart.
3. A blood vessel blood gas test includes taking a blood test from a supply route to quantify blood oxygen, carbon dioxide, and other significant levels.