Find information on medical topics, symptoms, drugs, procedures, news and more, written for the health care professional.

Normal lung volumes.

Normal lung volumes.
Normal lung volumes.

ERV = expiratory reserve volume; FRC = functional residual capacity; IC = inspiratory capacity; IRV = inspiratory reserve volume; RV = residual volume; TLC = total lung capacity; VC = vital capacity; V T = tidal volume. FRC = RV + ERV; IC = V T + IRV; VC = V T + IRV + ERV.