RT Book, Section A1 Brown, Gabrielle A1 Yang, Seol W. A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1135739474 T1 Ventilation and Perfusion T2 Anesthesiology Core Review: Part Two Advanced Exam YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9781259641770 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1135739474 RD 2024/03/29 AB Ventilation is the movement of air between the atmosphere and alveoli, and the distribution of air within the lungs to maintain adequate levels of oxygen and carbon dioxide in the blood. Perfusion is delivering of blood to capillary beds in the lungs. The relationship between ventilation and perfusion is important in maintaining adequate levels of oxygen in the blood. The normal ratio of ventilation (V) and perfusion (Q) is 0.8.