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Cardiopulmonary bypass 

Cardiopulmonary bypass
Chapter:
Cardiopulmonary bypass
Author(s):

M Barnard

and B Martin

DOI:
10.1093/med/9780199209101.003.18
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date: 07 August 2020

Cardiopulmonary bypass circuits 262

Pre-bypass checklists 263

Conduct of bypass 264

Further reading 271

A cardiopulmonary bypass (CPB) system drains blood from the venous system, oxygenates it, and pumps it under pressure into the arterial system. Blood drains from the venous cannula by gravity into a reservoir with pumped blood from suckers and ‘vents’ in the surgical field adding to the reservoir. The venous blood is oxygenated, its temperature adjusted, and it is pumped into the arterial system. It passes through a filter into the aorta or femoral artery via an arterial cannula (narrower than venous to maintain pressurization)....

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