Spirometry was first invented in the 1840s by an English surgeon called John Hutchinson, who realised that lung volume or forced vital capacity was related to mortality. 185 years later, spirometry is ...

Spirometry is the only recognized method of definitively diagnosing chronic obstructive pulmonary disease (COPD). 1 It also gives patients and physicians a reliable way of tracking the progression ...

Spirometry is a standard test doctors use to ... is considered mild.Your FEV1 is equal to or greater than the predicted normal values with an FEV1/FVC of 70% or less. In this stage, your symptoms ...