Published online by Cambridge University Press: 18 August 2022
This chapter provides a detailed overview of the cardiovascular system in the context of perioperative care. The cardiovascular system is responsible for the delivery of oxygen around the body and the return of this blood to the heart. This blood is then pumped to the lungs and back to the heart. The systemic and pulmonary circulations have a number of important differences between them. The heart beats repeatedly in a process known as the cardiac cycle, which has two distinct phases, systole, and diastole. The conduction system of the heart allows for the chambers of the heart to contract in a well-coordinated manner. Problems with the cardiovascular system occur frequently under anaesthesia and can have numerous causes, some of which are explored in this chapter.
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