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Topics of Respiratory Care > Test 3: Normal values/ How its Measured/ Use > Flashcards

Test 3: Normal values/ How its Measured/ Use Flashcards

1
Q

Mean arterial blood pressure (MAP)

A

70 - 100 mm Hg

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2
Q

MAP formula

A

(Systolic pressure + diastolic)/ 3

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3
Q

MAP is used to calculate

A

systemic vascular resistance; used in hemodynamic monitoring when giving vasoactive drugs

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4
Q

Normal Pulse pressure (systemic)

A

40 mm Hg

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5
Q

Pulse pressure (systemic) formula

A

systolic - diastolic

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6
Q

Pulse pressure (systemic) is used to

A

estimate the force of the pulse

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7
Q

Stroke volume (SV) range

A

60- 100 mL

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8
Q

SV formula

A

Q/heart rate

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9
Q

SV provides information about

A

cardiac performance

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10
Q

Cardiac index (CI) range

A

2.5- 4 L/min/m2

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11
Q

CI formula

A

Q body surface area (BSA

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12
Q

CI is important determinant of

A

cardiac performance (removes body size as a variable)

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13
Q

Stroke Index (SI) range

A

35- 55 mL/beat m2

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14
Q

SI formula

A

SV/BSA

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15
Q

SI is an important determinant of

A

cardiac performance (removes body size as a variable)

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16
Q

Systemic vascular resistance (SVR) range

A

900-1500 dyne x s x cm-5

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17
Q

SVR formula

A

([MAP-CVP]/CO) x 80

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18
Q

SVR is used to measure…..
And is useful in diagnosis of vascular problems

A

resistance in systemic circulation;

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19
Q

Pulmonary vascular resistance (PVR)

A

100- 250 dyne x s x cm-5

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20
Q

PVR formula

A

( [MPAP-PAOP]/Q) X 80

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21
Q

PVR is used to measure resistance in the….
And is useful in the diagnosis of pulmonary vascular problems

A

pulmonary vascular bed;

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22
Q

Mean pulmonary artery pressure (MPAP) range

A

10- 20 mm Hg

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23
Q

MPAP formula

A

pulmonary systolic pressure+ pulmonary diastolic pressure

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24
Q

MPAP is used to calculate

A

pulmonary vascular resistance

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25
Oxygen content of arterial blood (CaO2)
20 vol%
26
CaO2 formula
(SaO2 x Hb) x1.34
27
CaO2 is used to calculate (3)
O2 delivery, cardiac output, and shunt fraction
28
Oxygen content of mixed venous blood (CVO2)
15%
29
CVO2 formula
(SVO2 x Hb) x 1.34
30
CVO2 is used to calculate (2)
cardiac output and shunt fraction
31
Arterial-to-venous oxygen content difference range
3.5 to 5.0 mL/100 mL or vol%
32
Arterial-to-venous oxygen content difference formula
C(a-V)O2
33
Arterial-to-venous oxygen content difference is the
index of tissue oxygenation
34
Oxygen transport (DO2) range
500-1000 mL/min
35
DO2 formula
Q x CaO2
36
DO2 indicates the amount of
oxygen delivered to the tissues
37
Oxygen consumption (VO2) range
200- 300 mL/min
38
VO2 formula
Q x (CaO2- CVO2)
39
VO2 indicates the metabolic rate , this can be measured
indirectly by noninvasive means but only with great difficultly
40
Heart rate (HR)
60 - 100 bpm
41
How is HR measured?
Pulse rate
42
HR is used in early index of
tachycardia and bradycardia
43
Blood pressure (systemic) (BP) range
Systolic: 90 -140 mm Hg Diastolic: 60- 90 mm Hg
44
How is BP measured?
BP cuff or arterial line
45
BP is used in early index of
hypertension or hypotension
46
Central venous pressure (CVP)
2- 6 mm Hg
47
How is CVP measured?
CVP catheter or PA three or four-lumen catheter
48
CVP is used to estimate (2)
right ventricular preload; also for drug and fluid administration
49
Pulmonary artery occlusion (PAP) Systolic and diastolic
systolic: 15- 35 mm Hg diastolic 5-15 mm Hg
50
How is PAP measured
PA catheter
51
PAP is used to determine
PAP and to pressure PVR
52
Pulmonary artery occlusion pressure (PAOP)
5- 12 mm Hg
53
How is PAOP measured
PA catheter in the occluded position (balloon inflated)
54
PAOP is used to estimate
left ventricular filling and preload
55
Cardiac output (CO)
4-8 L/min
56
How is CO measured?
By thermodilution or dye dilution
57
CO is used as an important determinant of
hemodynamic function
58
Partial pressure of oxygen in mixed venous blood (PVO2)
40 mm Hg
59
How is PVO2 meausred?
From blood from the distal port of the PA catheter
60
PVO2 is used as an overall parameter for assessment of
cardiopulmonary function
61
Partial pressure of oxygen in arterial blood (PaO2)
80 - 100 mm Hg
62
How is PaO2 measured?
From a systemic artery
63
PaO2 is used to assess the
level of arterial oxygenation
64
What diseases increases CVP (10)
- chronic bronchitis - pulmonary embolism - Lung collapse - Kyphoscoliosis - Pneumoconiosis - Chronic interstitial lung diseases - Lung cancer (tumor mass) - Hypervolemia - Right-sided heart failure - Maybe ARDS
65
What disease decreses CVP (1)
Hypovolemia
66
What diseases increases PAP (10)
- Chronic bronchitis x2 - Pulmonary edema (cardiogenic) - Pulmonary embolism x2 - Kyphoscoliosis - Pneumoconiosis x2 - Chronic interstitial lung disease x2 - Lung cancer (tumor mass) - Hypervolemia - Lung collapse - Maybe ARDS
67
What diseases decreases PAP (2)
- Hypovolemia - Right-sided heart failure
68
What diseases increases PAOP? (2)
- Pulmonary edema (cardiogenic) x2 - Hypervolemia
69
What diseases decreases PAOP? (4)
- Pulmonary embolism - Lung collapse - Hypovolemia - Lung cancer (tumor mass)
70
What diseases are unchanged in PAOP? (4)
- ARDS - Kyphoscoliosis - Pneumoconiosis - Chronic interstitial lung diseases
71
Chronic bronchitis does not apply towards PAOP
!
72
What disease increases CO? (1)
Hypervolemia
73
What diseases decreases CO? (5)
- Pulmonary edema (cardiogenic) - Pulmonary embolism - Lung collapse - Lung cancer (tumor mass) - Hypovolemia
74
What disease process is unchanged in CO? (4)
- ARDS - Kyphoscoliosis - Pneumoconiosis - Chronic interstitial lung diseases
75
Chronic bronchitis is not affected by CO
!
75
What disease process is **unchanged** in SVR (8)
- Pulmonary embolism - ARDS - Kyphoscoliosis - Pneumoconiosis - Chronic interstial lung disease - Lung cancer (tumor mass) - Hypervolemia - Right- sided heart failure
75
Chronic broncitis is unaffected by SVR
!
75
What diseases **decreases** SVR (2)
- Pulmonary edema (cardiogenic) - Lung collapse
75
What diseases **increases** PVR (10)
- Chonric bronchitis - Pulmonary edema (cardiogenic) - Pulmonary embolism (can be unchanged too) - ARDS (can be unchanged too) - Lung collapse - Pleural disease (e.g., hemothorax) - Kyphoscoliosis - Chronic interstial lung disease - Lung cancer (tumor mass) Hypervolemia
76
What disease **increases** SVR
Hypovolemia
76
What disease is **unchanged** PVR
Hypovolemia

Topics of Respiratory Care (20 decks)

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