Anaesthesia for open abdominal aortic surgery

Mar 30, 2025 by in ANESTHESIA Comments Off on Anaesthesia for open abdominal aortic surgery

Abstract The prevalence of abdominal aortic aneurysm (AAA) has declined in recent years and according to the annual National Vascular Registry reports (2019–23) the number of patients undergoing aneurysm repair…

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Characteristics of special circulations

Mar 30, 2025 by in ANESTHESIA Comments Off on Characteristics of special circulations

Abstract Blood flow through a vascular bed is usually determined by the pressure gradient across it and the diameter of the precapillary resistance vessels. Special circulations have additional specific features…

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Self-assessment

Mar 30, 2025 by in ANESTHESIA Comments Off on Self-assessment

Multiple choice questions 1 Strategies to avoid intra-operative blood transfusion Which of the following are true regarding the mechanism of action and pharmacological benefits of tranexamic acid (TXA)? A. Is…

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Physiology of red and white blood cells

Mar 30, 2025 by in ANESTHESIA Comments Off on Physiology of red and white blood cells

Abstract Blood is made up of plasma and formed elements, which are red blood cells, white blood cells and platelets. The red blood cells (erythrocytes) make up the vast majority…

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Cardiac output monitoring

Mar 30, 2025 by in ANESTHESIA Comments Off on Cardiac output monitoring

Abstract Cardiac output monitoring has become commonplace amongst the standard monitoring in anaesthesia for major surgery and in intensive care. Multiple techniques are used, employing different models to calculate flow,…

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Physiology of haemostasis

Mar 30, 2025 by in ANESTHESIA Comments Off on Physiology of haemostasis

Abstract Haemostasis is a complex process that ensures the maintenance of blood flow under normal physiological conditions and prevents major blood loss following vascular injury. The process is tightly regulated…

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Clinical aspects of coagulation and haemorrhage

Mar 30, 2025 by in ANESTHESIA Comments Off on Clinical aspects of coagulation and haemorrhage

Abstract Haemorrhage affects all patient groups. Coagulopathy (an abnormality of the clotting system) is closely interlinked with haemorrhage and can either place patients at risk of future bleeding or can…

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