Obstructive Lung Disease

Difference between restrictive lung diseases and obstructive lung disease
reference
https://www.youtube.com/watch?v=5wn916moUy8

TLC Total Lung Capacity = Amt of air when lungs are maximallly filled

RV  residual volume = amount of air left in the lungs after maximal expiration

FEV1 – Forced expiration after 1 second of expiration is the amount of air that comes out in 1st second of expiration

FVC Forced Vital Capacity – Is the total volume of air of air that can exhaled after after a maximal inspiration