Operative assessment Flashcards

1
Q

Why is a history of a) cardiovascular b) respiratory disease required?

A

a) increased risk of acute cardiac event during anaesthesia

b) affects the oxygenation of the patient

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2
Q

What aspects of past anaesthetic history should be enquired?

A

Has the patient had general anaesthesia before; have they suffered any previous post-op nausea and vomiting

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3
Q

What is the ASA grade?

A

Correlates with risk of post-op complications and mortality; goes from I (normal, healthy) to V (moribund)

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4
Q

Standard blood tests prior to surgery? (5)

A
FBC
U and E's to assess renal function
LFTs
Clotting
G&S/X-match
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5
Q

What aspects of the airway are examined? (4)

A

Degree of mouth openining (inter-incisor distance)
Teeth- loose?
Oropharynx- Mallampati score
Neck

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6
Q

How is Mallampati score calculated?

A

I- soft palate, uvula and tonsillar pillars visualized
II- soft palate, uvula seen; tonsillar pillars not visible
III- only base of uvula seen
IV- uvula not visualized

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7
Q

What does Mallampati score predict?

A

Degree of difficulty of intubation

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8
Q

Examination of neck in pre-op assessment?

A
ROM- flexion, extension, lateral flexion
Thyromental distance (with neck in maximal extension)
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9
Q

What does a thyromental distance of less than 6.5cm suggest?

A

Difficult intubation

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