Preoperative Assessment Flashcards
What is the STOPBANG criteria?
Snoring
Tired
Observed apnoea
Blood Pressure
BMI >35kg/m2
Age >50yo
Neck circumference >40cm
Gender Male
History points in pre-anaesthetic assessment (7)
- Drug allergies
- Medications
- Previous anaesthetic
- Family history
- Cigarettes, alcohol, illicit drugs
- Past medical history
- Exercise tolerance
Airway examination aspects
Mouth opening Mallampati score Dentition Thyromental distance (inferior border of mandible to thyroid cartilage) Jaw protrusion Cervical spine movement
Timing of fasting for surgery
2 hours for water and preoperative carbohydrate drinks
6 hours for everything else, including cigarettes
COMMON risks of general and regional anaesthesia to mention in consent process
Sore throat
Hoarse voice
Bruising from IV cannula
Post op nausea/vomiting
UNCOMMON risks of general and regional anaesthesia to mention in consent process
Post op breathing and respiratory difficulties
Damage to lips/tongue/eyes/teeth
Peripheral nerve damage
Allergies to medication
RARE risks of general and regional anaesthesia to mention in consent process
Awareness
Anaphylaxis
Death
How is malignant hyperthermia inherited and diagnosed?
Inherited in autosomal dominant fashion
Diagnosed by CHCT (Caffeine Halothane Contracture Test) on muscle biopsy
What nerve is most commonly damaged during anaesthesia?
Ulnar nerve