Cardiopulmonary Interactions

Effects of Ventilation on the Circulation

Venous Return

Figure 1: The venous return and cardiac output curves superimposed

Pulmonary Circulation

Figure 2: Pulmonary Vascular Resistance as a Function of Lung Volume

Figure 3: The West Zones of the Lung

Effects on the Left Ventricle

(From Bronicki and Anas, PCCM 2016)

Practical Implications


1) Bronicki RA, Anas NG. Cardiopulmonary interaction. Pediatr Crit Care Med. 2009 May;10(3):313-22. 

2) Alviar et al. Positive Pressure Ventilation in the Cardiac Intensive Care Unit. JACC 2018 September. 

3) Shekerdemian L, Bohn D. Cardiovascular Effects of Mechanical Ventilation. Arch Dis Child 1999.