Spirometer available in best price Respirometer near me Lungs exerciser spirometer need near my area Spirometer. A spirometer is a diagnostic device that measures the amount of air you're able to breathe in and out and the time it takes you to exhale completely after you take a deep breath. A spirometry test requires you to breathe into a tube attached to a machine called a spirometer. Spirometry is the most common type of pulmonary function or breathing test. This test measures how much air you can breathe in and out of your lungs, as well as how easily and fast you can the blow the air out of your lungs. Your doctor may order spirometry if you have wheezing, shortness of breath, or a cough. It helps you maintain your lung strength, or it helps your lungs get stronger after an injury or illness. After surgery, an incentive spirometer can: Improve lung ventilation. Ventilation is how much air enters your lungs when you breathe in and how much air leaves your lungs when you breathe out. This device is also able to help patients clear mucus from their lungs. The device helps patients relearn how to take slow, deep breaths instead of short, shallow ones. By taking deeper breaths, a person can prevent developing a serious lung illness.