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RCP: 125 > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Physiologic criteria for ABG selection

A

Allens test, accessibility and size of artery, proximity of surrounding structures

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2
Q

Help breakdown blood clots already formed

A

Thrombolyics

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3
Q

What happens to PaCO2 when deadspace decreases

A

Decreases

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4
Q

How long should you wait before sampling an ABG after a change in oxygen therapy or ventilation?

A

20-30 mins

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5
Q

Decreased pH in the blood

A

Acidemia

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6
Q

The indisputable gold standard for eval of arterial oxygenation

A

ABGs

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7
Q

The most sensitive indicator of oxygenation directly measured

A

PaO2

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8
Q

PaCO2 <35

A

Hypocapnia

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9
Q

Normal range: SaO2

A

95-100%

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10
Q

How is SaO2 measured?

A

Infared light

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11
Q

Normal venous HCO3

A

24

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12
Q

What do air bubbles effect?

A

PaO2

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13
Q

Normal COHb

A

<6%

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14
Q

Normal HCO3

A

24

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15
Q

Increase pH in the blood

A

Alkalemia

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16
Q

A proton donor

A

Acid

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17
Q

Normal venous PO2

A

40

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18
Q

What does COHb measure?

A

Hb CO binding

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19
Q

The electrode that measures PaCO2

A

Severinghaus

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20
Q

The most important value when getting an ABG

A

PaCO2

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21
Q

A proton acceptor

A

Base

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22
Q

Increased pH in the tissue

A

Alkalosis

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23
Q

Normal range pH

A

7.35-7.45

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24
Q

Normal venous BE

A

0

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25
Q

What occurs if PaO2 is <80?

A

Hypoxemia

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26
Q

Normal venous pH

A

7.35

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27
Q

Normal venous SO2

A

70-75%

28
Q

60-79

A

Mild hypoxemia

29
Q

What does hypocapnia indicate?

A

Hyperventilation

30
Q

40-59

A

Moderate hypoxemia

31
Q

What happens to PaCO2 when RR and VT are both decreased?

A

Increases

32
Q

What does hypercapnia indicate?

A

Hypoventilation

33
Q

<40

A

Severe hypoxemia

34
Q

What happens to PaCO2 when deadspace increases?

A

Increases

35
Q

Only calculated when ABG machine doesn’t have co-ox

A

SaO2

36
Q

What happens to PaCO2 when RR and VT both increase?

A

Decreases

37
Q

Given to prevent blood clots

A

Anticoagulants

38
Q

How long should you hold after sticking patient on an anticoagulant?

A

5-10 mins

39
Q

PaCO2 >45

A

Hypercapnia

40
Q

List all measured values

A

pH, SaO2, PaO2, PaCO2, COHb

41
Q

What does the PaCO2 measure?

A

Ventilation

42
Q

If the PaCO2 is >45 what would you do to the patient?

A

Put them on the vent

43
Q

Normal venous PCO2

A

46

44
Q

Normal range PaO2

A

80-100

45
Q

Normal PaO2

A

90

46
Q

The electrode that measures PaO2

A

CLARK

47
Q

What does the PaO2 measure?

A

Oxygenation

48
Q

The electrode that measures pH

A

SANZ

49
Q

Normal pH

A

7.40

50
Q

Normal BE

A

0 +- 2

51
Q

Two indices that basically reflect the amount of O2 present in the blood

A

PaO2, SaO2

52
Q

How O2 is carried in the blood

A

dissolved O2, combine O2

53
Q

List all calculated values

A

HCO3

54
Q

Calculating PaO2 vs age

A

109 - (.43 x age)

55
Q

What does SaO2 measure?

A

Hb efficiency O2

56
Q

What occurs if PaO2 is >100?

A

Hyperoxygenation

57
Q

Normal PaCO2

A

40

58
Q

Normal range HCO3

A

22-26

59
Q

What does HCO3 calculate?

A

Acid-base status

60
Q

Complications of ABGs

A

Hematoma, infection, pain

61
Q

What does the pH measure?

A

Acid-base status

62
Q

Normal range PaCO2

A

35-45

63
Q

Decreased pH in the tissue

A

Acidosis

64
Q

How is COHb measured?

A

Infared light

65
Q

Generally runs on the lower side with women

A

PaCO2

RCP: 125 (1 decks)

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