VADS

Question 1

LVAD

PAW:
SABP:
CI:

Answer 1

PAW: >20
SABP:

Question 2

RVAD

RAP:
PAW:
CI:

Answer 2

RAP: > 20
PAW:

Question 3

What are 6 contraindications to VAD support ?

Answer 3

• End stage lung, liver, or renal disease
• Metastatic disease
• Non-compliant / active drug addiction
• Active infectious disease
• Recent CVA, GI bleed ect. (cannot take anticoagulation)
• Moderate to severe RV dysfunction

Question 4

What are 4 things to consider before VAD support ?

Answer 4

• Contraindications
• Other issues
• Patient goals, Our goals ?
• What happens if we dont meet our goals ?

Question 5

Cardiac failure occurs in what percentage of CPB cases?

Answer 5

2%

Question 6

Untreated post cardiotomy cardiogenic shock results in mortality rates of ?

Answer 6

90%

Question 7

Positive displacement pump :

Answer 7

Roller pump

Question 8

Pneumatic pumps :

Answer 8

Abiomed
Thoratec
Cardiowest
Heartmate

Question 9

Electric pumps :

Answer 9

Novacor

Heartmate

Question 10

Centrifugal pumps are dependent of what ?

Limitations ?

Answer 10

Preload
Afterload
RPM

No patient size limitations

Question 11

Impella 2.5 catheter size ?

Intravascular axial pump max rotations ?

Answer 11

12 Fr

51,000

Question 12

Centrimag max LPM ?

How many days can this be used ?

Answer 12

9.9 LPM

30 Days

Question 13

Pulse Index Definition ?

Answer 13

The measure of the left ventricular pressure during systole.

Question 14

HMII targets:

MAP ?
INR ?

Is sensitive to what ?

Answer 14

60 - 80

2 - 3 +/-

Preload and Afterload

Question 15

HW ranges:

Flow :
Speed:
Power:

MAP:

Answer 15

Flow : Varies
Speed: 2400 - 3200
Power:

Question 16

HM XVE ranges:

Weight:
Pump Volume:
Rate:
Flow:

Answer 16

Weight: 3.74 lbs
Pump Volume:83 ml
Rate: 120
Flow: 10 L/m