Fig. 2.

a In veno-arterial (V–A) cannulation, drainage is from the superior vena cava (SVC) and right atrium (RA) via the right internal jugular vein (IJ) and reinfusion is to the right carotid artery (CA); b In veno-venous (V–V) cannulation with two cannulae, drainage is from the SVC and RA via the right IJ and reinfusion is to the inferior vena cava (IVC); c In V–V cannulation with a double-lumen cannula, drainage is from the SVC and IVC and reinfusion is into the RA.

Reproduced with permission from Frischer et al. [176] (License number 4924341211861)