Pre-Op Management Flashcards
What is an ASA score?
A score for how risky a patient is to undergo an operation
What defines ASA 1?
Normal, healthy patient
What defines ASA 2?
Mild systemic disease
- One medication
- Well controlled and only few attacks (Asthma/COPD)
Includes Obesity, Smokers, Drinkers
What defines ASA 3?
Severe systemic disease
- Poor Control
- Limiting
- Lots of medications
Dialysis Patients
What defines ASA 4?
Someone with life-threatening systemic disease
What defines ASA 5?
Not expected to survive but would die otherwise
What defines ASA 6?
Brainstem dead patient
What tests do anesthetists do to assess intubation difficulty?
Mallampati
Thyromental distance (>3cm)
Neck movement
Jaw opening
What are the levels for mallampati?
1 - fully visible tonsils
2- partial
3 - only hard and soft palate
4 - only hard palate
What tests do you give routinely for a major Op to a ASA 1?
FBCs
U&Es/eGFR if risk of AKI
(ECG if over 65 and not had within 12 months)
What tests do you give routinely for a major Op to a ASA 2?
FBC
Kidney Function
ECG
What tests do you give routinely for a major Op to a ASA 3+?
FBC U&Es eGFR ECG Haemostasis Lung Function Test
What other investigations might you offer pre-op?
Urine Dip - diabetes, UTI, pregnancy
Echo - if murmur or heart failure
Liver Function
CXR - infection
Glucose
What basic tests would you always do?
Height Weight Pulse Check recent bloods MRSA swab
What HbA1c do you want for surgery?
<7.5 ideally
NEVER more than 8.5