Anaesthetics- Preoperative Assessment Flashcards
What do you need to know before carrying out an operation?
Known comorbidities Unknown comorbidities Stress tolerance Drugs and allergies Previous operations and analgesia's
What is the function of the ASA grading?
To determine if a person is healthy enough for surgery
What is grade 1 on ASA?
Otherwise healthy
What is grade 2 on ASA?
Mild to moderate systemic disturbance
What is grade 3 on ASA?
Severe systemic disturbance
What is grade 4 on ASA?
Life threatening systemic disturbance
What is grade 5 on ASA?
Moribund patient
What is grade 6 on ASA?
Organ retrieval
What drugs should be stopped/ reviewed before surgery?
Diabetes mellitus medication
Anticoagulants
Which drugs are okay to continue before surgery?
Anti-epileptics
Inhalers
Anti-anginal medication
What is the function of the exercise tolerance test?
The amount of exercise a patient can do without getting breathless
How is exercise tolerance measured?
In MET’s
What is the reduction in mortality per MET?
15% reduction in mortality
What does MET 2 indicate?
They can walk round the house
What does MET 3 indicate?
They can do light housework
What does MET 4 indicate?
Walk 100-200m on flat
What does MET 5 indicate?
Walk up a flight of stairs or up a hill
What does MET 6 indicate?
Walk on the flat at a brisk pace
What does MET 7 indicate?
Play golf, mountain walk, dance, or any form of exercise
What does MET 8 indicate?
Run a short distance
What does MET 9 indicate?
Strenuous exercise or heavy lifting
What do you need for a high risk emergency patient?
- Informed consent
- Anaesthetic plan
- Invasive monitoring
- Senior management
- Post operative critical care
