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1MB Respiratory > Respiratory Management > Flashcards

Respiratory Management Flashcards

1
Q

What is meant by hypoxia?

A

Lack of tissue oxygen

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2
Q

What is meant by hypoxaemia?

A

Lack of oxygen in the blood

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3
Q

In COPD patients, we aim for SaO2 of between __ and __ %

A

88 and 92

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4
Q

Define acidaemia

A

pH less than 7.35

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5
Q

Define acidosis

A

A process by which the blood contains excess acid

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6
Q

Define alkalaemia

A

pH greater than 7.45

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7
Q

Define alkalosis

A

A process by which the blood contains excess base

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8
Q

Respiratory changes are monitored by looking at CO2 concn. True/False?

A

True

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9
Q

Metabolic changes are monitored by looking at [H+]. True/False?

A

False
Look at HCO3 concn

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10
Q

Metabolic compensation is rapid. True/False?

A

False
It is slow

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11
Q

Respiratory compensation is rapid. True/False?

A

True

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12
Q

If pH is low, PCO2 is high, HCO3 is normal, this is what?

A

Respiratory acidosis

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13
Q

If pH is high, PCO2 is normal, HCO3 is high, this is what?

A

Metabolic alkalosis

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14
Q

If pH is low, PCO2 is normal, HCO3 is low, this is what?

A

Metabolic acidosis

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15
Q

If pH is high, PCO2 is low, HCO3 is normal, this is what?

A

Respiratory alkalosis

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16
Q

If pH is normal, PCO2 is high, HCO3 is high, this is what?

A

Compensated respiratory acidosis OR
Compensated metabolic alkalosis

17
Q

If pH is normal, PCO2 is low, HCO3 is low, this is what?

A

Compensated respiratory alkalosis OR
Compensated metabolic acidosis

18
Q

If pH is low, PCO2 is high, HCO3 is high, this is what?

A

Decompensated respiratory acidosis
pH went down as PCO2 went up; compensation occurred by HCO3 increasing to bring pH to normal; PCO2 went up further to cause lower pH again

19
Q

BE greater than +2 indicates what?

A

Metabolic alkalosis

20
Q

BE less than -2 indicates what?

A

Metabolic acidosis

21
Q

PEFR in obstructive disease is reduced. True/False?

A

True

22
Q

PEFR in restrictive disease is reduced. True/False?

A

False
It is usually normal

23
Q

FEV1 is reduced in obstructive disease. True/False?

A

True

24
Q

FEV1 is reduced in restrictive disease. True/False?

A

True

25
Q

FVC is reduced in obstructive disease. True/False?

A

False
Can be normal in asthmatics

26
Q

FVC is reduced in restrictive disease. True/False?

A

True

27
Q

FEV1/FVC is reduced in obstructive disease. True/False?

A

True

28
Q

FEV1/FVC is the same in restrictive disease. True/False?

A

True

29
Q

Which substances are used for bronchial challenge testing?

A

Methacholine, histamine, mannitol

30
Q

What is Respiratory Failure?

A

Hypoxia (PaO2 less than 8kPa) with/without hypercapnia, occuring when gas exchange is inadequate

31
Q

What is ARDS?

A

Respiratory stress due to stiff lungs and impaired gas exchange

32
Q

What are the main causes of ARDS?

A

Lung injury
Severe sepsis
Pneumonia

1MB Respiratory (13 decks)

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