Anaesthetics Flashcards
What is ASA 1
A Normal healthy patient
What drugs should be avoided in malignant hyperthermia?
Suxamethonium
Halothane
What is the management of malignant hyperthermia?
Dantrolene
What is an ASA II patient?
A patient with mild systemic disease. Mild disease only without substantive functional limitations.
Smoking makes you ASA II
What is an ASA III patient?
A patient with severe systemic disease who has substantive functional limitations
What is an ASA IV patient?
A patient with severe systemic disease that is a constant threat to life.
Examples include (but not limited to): recent (< 3 months) of Myocardial infarction, Cerebrovascular accidents, ongoing cardiac ischaemia or severe valve dysfunction, severe reduction of ejection fraction, sepsis, DIC, ARD or ESRD not undergoing regularly scheduled dialysis
What is an ASA V patient?
A moribund patient who is not expected to survive without the operation
Examples include (but not limited to): ruptured abdominal/thoracic aneurysm, massive trauma, intra-cranial bleed with mass effect, ischaemic bowel in the face of significant cardiac pathology or multiple organ/system dysfunction
What is an ASA VI patient?
A declared brain-dead patient whose organs are being removed for donor purposes
When should you stop oral contraceptive pill before an operation?
4 weeks prior to her operation due to the increased risk of venous thromboembolism
What are the current elective operative fasting guidelines?
6h for solids 2hr for clear fluids
What is the concentration of sodium in normal 0.9% saline?
154 mmol/L
What is the treatment for Malignant hyperthermia?
Dantrolene
What level should you place an epidural?
L3/4 or L4/5
How do you treat Local anaesthetic toxicity?
Treat with IV 20% Lipid emulsion
