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RCP: 125 > Exam 1 > Flashcards

Exam 1 Flashcards

(65 cards)

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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
What occurs if PaO2 is <80?
Hypoxemia
26
Normal venous pH
7.35
27
Normal venous SO2
70-75%
28
60-79
Mild hypoxemia
29
What does hypocapnia indicate?
Hyperventilation
30
40-59
Moderate hypoxemia
31
What happens to PaCO2 when RR and VT are both decreased?
Increases
32
What does hypercapnia indicate?
Hypoventilation
33
<40
Severe hypoxemia
34
What happens to PaCO2 when deadspace increases?
Increases
35
Only calculated when ABG machine doesn't have co-ox
SaO2
36
What happens to PaCO2 when RR and VT both increase?
Decreases
37
Given to prevent blood clots
Anticoagulants
38
How long should you hold after sticking patient on an anticoagulant?
5-10 mins
39
PaCO2 >45
Hypercapnia
40
List all measured values
pH, SaO2, PaO2, PaCO2, COHb
41
What does the PaCO2 measure?
Ventilation
42
If the PaCO2 is >45 what would you do to the patient?
Put them on the vent
43
Normal venous PCO2
46
44
Normal range PaO2
80-100
45
Normal PaO2
90
46
The electrode that measures PaO2
CLARK
47
What does the PaO2 measure?
Oxygenation
48
The electrode that measures pH
SANZ
49
Normal pH
7.40
50
Normal BE
0 +- 2
51
Two indices that basically reflect the amount of O2 present in the blood
PaO2, SaO2
52
How O2 is carried in the blood
dissolved O2, combine O2
53
List all calculated values
HCO3
54
Calculating PaO2 vs age
109 - (.43 x age)
55
What does SaO2 measure?
Hb efficiency O2
56
What occurs if PaO2 is >100?
Hyperoxygenation
57
Normal PaCO2
40
58
Normal range HCO3
22-26
59
What does HCO3 calculate?
Acid-base status
60
Complications of ABGs
Hematoma, infection, pain
61
What does the pH measure?
Acid-base status
62
Normal range PaCO2
35-45
63
Decreased pH in the tissue
Acidosis
64
How is COHb measured?
Infared light
65
Generally runs on the lower side with women
PaCO2

RCP: 125 (1 decks)

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