Lung volumes and Capacities – Physiology

Lung Volumes, Capacities and Dead Space- Definitions and Normal values . Knowledge of these values are quite important to understand respiratory physiology, pathological basis of various respiratory illnesses and for anesthesia.Tidal Volume (TV)- Volume of gas inspired or expired in each breath during normal quiet respiration. It is 400-500 ml ie 10ml/kg Inspiratory Reserve Volume ( IRV)-…