This video provides an in-depth discussion on the phenomenon of Spirometry and the ways it proves to be useful for Obstructive and Restrictive Diseases. The simple and step by step approach makes swift learning of this topic definite! Timeline: 00:00 Introduction 00:14 Lung Volume and Capacities Overview 03:05 Forced Vital Capacity 03:40 Lung Volume and Flow - Spirometry 05:00 FEV1 and FVC 06:43 Changes due to Obstructive Lung Disease 08:10 Explanation by Spirometry 10:36 Changes due to Restrictive Lung Diseases 11:40 Explanation by Spirometry