CV Assessment Flashcards

1
Q

Whats the formula for blood pressure?

A

SV X SVR

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2
Q

How do you calculate the MAP?

A

SBP + 2(DBP) / 3

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3
Q

Whats normal MAP

A

70-100 mmHg

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4
Q

Whats normal CVP (also called RAP)?

A

2-5 mmHg

3-8 cmH2O

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5
Q

Normal Cardiac Output

A

4-6 L/min resting

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6
Q

How do you calculate cardiac output?

A

HR x SV = CO

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7
Q

What is the cardiac index?

A

CO adjusted for body size

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8
Q

Calculate the Cardiac Index

A

CO/BSA = CI

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9
Q

What is normal CI?

A

2.2-4.0 L/min/m2

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10
Q

What is stroke volume?

A

Amount of blood ejected by the VENTRICLE with EACH heart beat

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11
Q

Calculate SV

A

(CO/HR) x 1000 = SV

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12
Q

The resistance against which the left ventricle must pump to eject its volume

A

Systemic Vascular Resistance (SVR)

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13
Q

Calculate SVR

A

(Map - CVP) / CO x 80

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14
Q

Whats normal SVR?

A

800-1400

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15
Q

Where is the phlebostatic axis

A

4th intercostal space and mid-way of the AP diameter of the chest

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16
Q

Bed position for hemodynamic monitoring

A

0-60 degrees

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17
Q

What test do you do prior to hemodynamic monitoring placement?

A

Allen’s test

18
Q

If the systolic BP declines > 10 mmHg during inspiration, (during normal spontaneous respiration)

A

pulsus paradoxus

19
Q

Arterial pulse waveform showing alternating strong and weak beats.

A

pulsus alterans

20
Q

Locations for a central line

A

Internal jugular
Subclavian
Femoral
Peripheral

21
Q

What to do for air embolus:

A
  1. trendelenburg position
  2. left side
  3. 100% O2
  4. Notify Dr
22
Q

PAS normal:

A

20-30 mmHg

23
Q

PAD normal:

24
Q

PAWP normal:

25
What does PAWP/PAOP reflect?
reflects the filling pressures in the pulmonary vasculature LEFT sided pressures
26
What reflects the filling pressures on the right side of the heart?
CVP
27
What is normal preload on the right side of the heart?
2-5 mmHg
28
What reflects filling pressures on the left side of the heart?
PAWP
29
What is normal preload on the left side of the heart?
5-12 mmHg
30
Calculate afterload
SVR = (Map - CVP) x 80 / CO
31
Drugs to increase SVR:
Dopamine, Norepinephrine
32
Drugs to decrease SVR:
Nitroprusside NTG Hydralazine
33
Calculate PVR:
1/6 of SVR
34
What is normal PVR
100-250 dynes/sec/cm5
35
a naturally occurring phenomenon in which the arterial pulse pressure falls during inspiration and rises during expiration due to changes in intra-thoracic pressure secondary to negative pressure ventilation (spontaneously breathing).
SVV
36
Normal SVV
10-15%
37
Oxygen Sat of venous blood is called
SVO2
38
Normal SVo2
60-80%
39
The nurse caring for a patient with an arterial line notes the reading of 182/130. The priority action at this time will be: 1. Notify the MD 2. Increase the nitroprusside IV gtt 3. Verify the transducer level 4. Verify the flush solution
3 is my guess
40
The patient with a FloTrac monitor is noted to have a SVV of 19%. The nurse can anticipate which treatment ordered? 1. Fluid bolus 2. Dopamine IV gtt 3. Nitroglycerine IV gtt 4. Lasix per IV
1
41
The nurse notes a SVR of 550 dynes/sec/cm-5. This is an indicator of: 1. Vasoconstriction 2. Increased right heart preload 3. Increased left heart preload 4. Vasodilation
4