Preoperative Assessment

Question 1

What physical examination techniques can be used to assess ease of intubation?

Answer 1

Mouthing opening distance

Mallampati score

Thyromental distance

Lower jaw thrust distance

Sternomental distance

Atlanto-occipital mobility

Question 2

What is the normal mouth opening distance?

Answer 2

4-6cm

Question 3

How is the thyromental distance measured?

Answer 3

The distance from the thyroid notch to the tip of the mandible when the head is extended

Question 4

Outline the mallampati scoring system

Answer 4

I - Whole uvula visible

II - Tip of uvula obscured

III - Only base of uvula visible

IV - Only hard palate is visible

Question 5

Which endocrine diseases should be screened for in assessment?

Answer 5

Diabetes

Question 6

Which GIT diseases should be screened for in assessment?

Answer 6

GORD

Hiatus hernia

Liver disease

Question 7

Outline the ASA grading system for surgical risk scoring?

Answer 7

I - Healthy patient

II - Patient with mild disease

III - Patient with severe systemic disease

IV - Patient with severe systemic disease that is a constant threat to life

V - Moribund patient who is not expected to survive 24hour without surgery

VI - Deased patient for organ harvest

Question 8

Which respiratory diseases should be screened for in assessment?

Answer 8

COPD

Asthma

Infection

Question 9

Which MSK diseases should be screened for in assessment?

Answer 9

Rheumatoid arthritis

Question 10

Which systems are important to evaluate in the preoperative assessment?

Answer 10

Cardiovascular

Respiratory

GIT

Haematological

Renal

Endocrine

Neurological

Question 11

Which cardiovascular disease should be screened for?

Answer 11

Angina/Myocardial ischaemia

HTN

Valvular disease

CCF

Question 12

Which renal diseases should be screened for in assessment?

Answer 12

Chronic renal failure

Question 13

How do you reserve warfarin?

Answer 13

50IU/kg of prothrombin X

Vitamin K and FFP if required