Anaesthetics. Flashcards

1
Q

What two factors effect delivery to tissues from the perspective of breathing (anaethetic machine)?

A

oxygenation and ventilation.

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2
Q

What are the two different components of oxygenation on an anaesthetic machine?

A

MAP and FiO2

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3
Q

What are the components of MAP on an anaesthetic machine?

A

PEEP, PIP and Ti

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4
Q

What are the components of ventilation on an anaesthetic machine?

A

tidal volume and rate.

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5
Q

What are the two anaesthetic components of tidal volume?

A

PEEP and PIP.

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6
Q

How can we alter an anaesthetic machine to help acidosis?

A

You want them to blow off more CO2 so:

increase rate, increase PIP and decrease Peep.

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7
Q

How can we alter an anaesthetic machine to help alkalosis?

A

You want them to retain more CO2 so:

decrease rate, decrease PIP and increase Peep.

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8
Q

What is normal K, Na and water requirements a day?

A

normal daily sodium requirement is approximately 2mmol/kg.
Water is 25-30ml/kg, hence 2 litres for a 70kg man
K is 1mmol/kg

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