Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

CCRN > Hemodynamics > Flashcards

Hemodynamics Flashcards

1
Q

High doses of nitro and nitroprusside reduces afterload but can also does what to CO while reducing afterload?

A

Increases CO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pressors do what to preload?

A

Increases preload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Morphine does what to preload?

A

Decreases preload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Nitro does what to preload?

A

Decreases preload

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Most sensitive indicator of cellular oxygenation?

A

Svo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Normal central venous oxygen saturation (scvo2) parameters?

A

> 70%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Normal oxygen delivery (Do2) parameters?

A

900-1100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Normal oxygen consumption (Vo2) parameters?

A

250-350

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Hypothermia does what to SVo2?

A

Increases Svo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Paralysis does what to SVo2?

A

Increases SVo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Low cardiac output does what to Svo2?

A

Decreases SVo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Fevers and shivering does what to SVo2?

A

Decreases SVo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Decreased hemoglobin does what to SVo2?

A

Decreases SVo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hypovolemia does what to SVo2?

A

Decreases SVo2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Presence of mitral valve insufficiency on a PAOP waveform when the PA catheter in inflation aka wedged will show what kind of waves?

A

V waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Mitral valve insufficiency is associated with what kind of MI

A

Inferior MI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What type of arterial line waveform results is falsely decreased SBP and falsely increased DBP?

A

Over dampened waveform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What type of arterial line waveform results in falsely high SBP and falsely low DBP?

A

Under dampened waveform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

As afterload increases what happens to CO?

A

CO decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Normal PAOP parameters?

A

8-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Normal PA pressure parameters?

A

20/8 -30/15 map <20

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Normal SVR parameters?

A

800-1200

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Normal PVR parameters?

A

50-250

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

With cariogenic shock what happens with CVP?

A

CVP increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Cardiogeneic shock does what to PA pressures?
PA pressures increase
26
With Cardiogenic shock what happens to CO?
CO decreases
27
With cardiogenic shock what happens with SVo2?
SVo2 decreases
28
With cardiogenic shock what happens to SVR and PVR?
SVR and PVR increases
29
With cardiogenic shock what happens to PA pressures and PAOP?
PA pressures and PAOP increases
30
With hypovolemic shock what happens to RAP and PAOP?
RAP AND PAOP DECREASES
31
With hypovolemic shock what happens to SVo2?
SVo2 decreases
32
With hypovolemic shock what happens to SVR?
SVR increases
33
With septic shock what happens to CVP?
CVP decreases
34
With septic shock what happens to PAP and PAOP?
PAP and PAOP decreases
35
With septic shock what happens to CO?
CO increases
36
With septic shock what happens to SVR?
SVR decreases
37
With septic shock what happens to SVo2?
SVo2 increases
38
With Late septic shock what happens to SVo2?
SVo2 decreases
39
With ARDS PAP increases d/t what?
Hypovolemia
40
With PE what happens to CO?
CO decreases
41
With cardiac tamponade CVP does what?
CVP increases
42
With cardiac tamponade PAP and PAOP does what
PAP and PAOP increases
43
Does levophed have an effect on HR?
No
44
Epinephrine increases what?
HR
45
Does neo have an effect on PAP or PAOP?
No
46
Dobutamine does what to a BP?
Inc and Dec depending on dose
47
Dobutamine does what to PAOP?
Decreases PAOP
48
Dobutamine does what to HR?
Increases HR
49
Milrinone does what to CO?
Increases CO
50
Labetolol does what to CO?
Decreases CO
51
PAOP is the measurement of what?
L ventricle (preload)
52
CVP and PAOP are measurements of what?
Preload
53
SVR is the measurement of what?
L ventricle ( afterload)
54
PVR is the measurement of what?
R ventricle ( afterload)
55
PVR and SVR are measurements of what?
Afterload
56
If CO becomes critically low BP will do what?
BP decreases
57
Bradycardia is a result of what?
Low CO
58
First sign of compensation for low CO is what?
Inc HR
59
Tachycardia decreases CO , d/t what?
Dec filling time
60
What happens to CO when SV increases?
CO increases
61
What value reflects L ventricular preload ?
PAOP
62
What value reflects R ventricular preload ?
CVP or RAP
63
Term for the volume in the ventricle at the end of diastole?
Preload
64
Term for the resistance again which the ventricles must pump to open aortic and pulmonic valves ?
Afterload
65
What increases contractility?
Dobutamine, dopamine 5-10 mcg/kg/min , primacor, epinephrine
66
What decreases contractility?
Neg inotropes, beta blockers, calcium channel blockers, metabolic problems ( metabolic acidosis ), endotoxins of sepsis
67
Most sensitive indicator of cellular oxygenation ( pulmonary artery)
SVo2
68
What is oxygen delivery value show?
CO , red blood cells, lung perfusion If tissues aren’t getting adequate flow they will grab on to more oxygen and mixed venous drop
69
Things to increase preload?
Fill the tank Fluids ( crystalloids,colloids) , pressors
70
Things to decrease preload?
Diuretics, dilators , nitrates, nitroprusside, morphine
71
Things to Increase afterload?
Levophed, neo, high dose dopamine 11-20 mcg/kg/min, epi
72
Things to decrease afterload?
Nitroprusside, ace inhibitors, hydralazine, calcium channel blockers, IABP, and nitro high doses
73
What is CO?
HR* SV
74
What is SV?
Preload, afterload , and contractility
75
What is the PAOP wedge pressure a indirect look at?
Left side of heart
76
CO and what are inversely related?
SVR
77
How do you get a pulse pressure?
Sys-dia = pulse pressure
78
CVP should be hooked up to which central line port?
Proximal
79
Cardiac output normal values?
4-8L /min
80
Cardiac index normal values?
2.5- 4 L/min
81
Normal SV value?
50-100 mL/beat
82
Normal stroke index value?
25-45 mL/beat
83
RAP or CVP normal value?
2-6 mmHg 3-8 cm H2o
84
Normal PAP value
20/8-30/15 mean <20
85
Normal PAOP value?
8-12
86
Normal SVR value?
800-1200
87
Normal PVR value?
50-250
88
Normal CAPP value?
60-80
89
Normal SVo2 value?
60 -75%
90
Normal ScVo2 value?
>70%
91
Normal Sao2 value?
95-99%
92
Normal arterial oxygen content value?
12-16
93
Normal Do2 value?
900-1100
94
Normal Vo2 value?
250-350
95
What is contractility?
Is the contractile force of the myofibrils , independent of preload and afterload. As contractility increases SC and CO increases.
96
ScVo2 reading comes from where?
Superior vena cava
97
SVo2 comes from where?
Pulmonary artery
98
What increases SVo2?
Septic shock, hypothermia, paralysis
99
What decreases SCo2?
Low cardiac output, decreased PAo2, increased o2 demand ( fever, shivering, seizures, and increased WOB)
100
What is ScVo2 used to monitor?
Less invasive way to monitor the hemoglobin in the blood
101
What decreased oxygen delivery ( Do2)?
Pump problems (heart)
102
What lowers oxygen consumption (Vo2) ?
Septic shock
103
What muscle has the greatest oxygen consumption?
Heart- myocardial oxygen Will Inc with a drop in cardiac output
104
If you see giant V waves what kind of problem is associated?
Mitral valve insufficiency (regurgitation)

CCRN (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions