18 Questions
What factors can affect the accuracy of predicting perioperative mortality using a specific test?
Patient motivation, sex, age, and height
What is considered a key part of preoperative care?
Consent
How has perioperative mortality changed over the last half century?
Decreased significantly
What mortality rate threshold defines patients as 'high risk' for surgery?
Predicted mortality ≥5%
What percentage of all surgical procedures do high-risk patients account for?
Less than 15%
What is the main cause of high risk for death and complications after surgery in some patients?
Predicted mortality ≥5%
What should be done before the start of each surgical list according to the National Patient Safety Agency’s adaptation of the WHO checklist?
A 'team brief'
Why is it important to document a thorough past medical history, surgical history, and systemic enquiry?
To include important negatives and reveal potential problems for future procedures.
What aspects of a patient's history should be noted as they are associated with adverse outcomes?
Recreational drug use and alcohol consumption.
Why is it important to document a full drug history and list of allergies?
To prevent medication errors and allergic reactions during surgery.
What key aspects should be considered in a patient's social history during preoperative care?
Ability to communicate and mobility.
Why is it important for patients to be treated with respect and dignity during examinations?
To ensure patient comfort and understanding of the procedures.
What is the significance of the name Erik Adolf von Willebrand in the context of the given text?
Erik Adolf von Willebrand described hereditary pseudohaemophilia in 1926, which is relevant to the consent process for surgical procedures.
What is the purpose of the Metabolic Equivalent Tasks (METs) table provided in the text?
The METs table provides a measure of a patient's fitness and oxygen consumption levels for different physical activities.
What do the figures (21.7, 21.8, and 21.9) illustrate in the context of the given text?
The figures illustrate imaging and testing methods used for assessing surgical risk, such as cervical spine imaging and cardiopulmonary exercise testing (CPET).
What is the significance of the Duke Activity Status Index (DASI) mentioned in the text?
The DASI is a low-cost test that can be used to estimate a patient's fitness level before surgery, although it may not always correlate with CPET results.
What is the role of cardiopulmonary exercise testing (CPET) in the context of surgical risk assessment?
CPET is described as the gold standard measurement of a patient's fitness level, which is crucial for assessing risk before undergoing high-risk surgery.
Based on the information provided, how has the consent process for surgical procedures evolved over time?
The text does not provide explicit information about the evolution of the consent process for surgical procedures.
Test your knowledge on preoperative care, patient consent, and factors affecting risk assessment in surgical patients. Explore the correlation between VO2 peak and patient assessment, as well as the legal aspects of obtaining patient consent.
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