A spirometer is a device that assesses your lung function. It measures the amount and speed of air expelled from your lungs.
Peak Flow Measurement
Peak flow measurement is a procedure that records the amount of air flowing out of your lungs. Peak flow can be measured with either a spirometer or a peak flow meter.
Pulmonary Function Tests
Pulmonary function tests measure how well your lungs are functioning and are used to help diagnose certain lung disorders.
Oximetry is a procedure used to measure the oxygen level—or oxygen saturation—in the blood.