Pacemaker/ICD assessment

Question 1

Can torsades be cardioverted?

Answer 1

no defibrilated

Question 2

What are the three requirements for reentry?

Answer 2

fast pathway
slow pathway
extra stimulus

Question 3

What is life threatening with WPW?

Answer 3

A. fib

Question 4

What is an indication for an ICD?

Answer 4

VT, VF

Question 5

What is considered sustained VT?

Answer 5

> 30 seconds

Question 6

What is the treatment for triggered VT (Torsades)?

Answer 6

Mg ++

Question 7

What’s the survival rate for Sudden Cardiac Death?

Answer 7

20%

Question 8

What does ICD stand for?

Answer 8

Implantable Cardioverter defibrillator

Question 9

Where does automaticity happen and why?

Answer 9

phase 4
metabolic disturbances
electrolyte imbalances

Question 10

What is a sensed refractory period?

Answer 10

The measure of time after an intrinsic impulse to inhibit shocking

Question 11

What is a bin used for?

Answer 11

To measure the amount of intervals detected in an ICD

Question 12

What is the nominal amount of intervals in a bin?

Answer 12

12

Question 13

What does HV stand for in ICDs?

Answer 13

High Voltage Shock

Question 14

Everything in an ICD is programmed by what?

Answer 14

Rate

Question 15

What does B stand for on pacing channel?

Answer 15

Bradycardia pacing

Question 16

What does S stand for on pacing channel?

Answer 16

Sinus Rhythm

Question 17

What happens when the bin is full?

Answer 17

Therapy is delivered

Question 18

What does the stars or dots on the EGM represent?

Answer 18

battery charging

Question 19

What is redetection?

Answer 19

After delivers therapy it reanalyzes the rhythm

Question 20

Whats the difference between defibrillation and cardioversion?

Answer 20

Cardioversion is a lower number of joules

Question 21

Describe the pulse width and voltage of the therapy

Answer 21

30-36J

10 - 20 ms

Question 22

What is the max output of an ICD?

Answer 22

36J

Question 23

What is the biggest unit in the ICD?

Answer 23

Capacitor

Question 24

What does the capacitor due?

Answer 24

Stores the energy

Question 25

What is reformation?

Answer 25

Periodically recharging the battery

Question 26

What is ERI?

Answer 26

Elective Replacement Indicator

Question 27

What are the two components of an ICD?

Answer 27

Capacitor

Battery

Question 28

What is noncommited therapy?

Answer 28

The charge can be aborted if the rhythm is spontaneously converted to SR

Question 29

What is non comited therapy?

Answer 29

The charge can be aborted if the rhythm is spontaneously converted to SR

Question 30

True or False

Stored energy is always greater than delivered

Answer 30

True

Question 31

What is biphasic pulse?

Answer 31

shocks from the can to the lead and back along the same vector

Question 32

What is biphasic pulse?

Answer 32

shocks from the can to the lead and back along the same vector

Question 33

What is the normal programmable vector for shocking?

Answer 33

classic Triade

Question 34

What is ATP?

Answer 34

overdrive pacing

Question 35

What is burst pacing?

Answer 35

a single series of sequential, rapid, paced, stimuli

Question 36

What is ramp pacing?

Answer 36

Each stimuli in overdrive pacing is increased

Question 37

What are the advantages of ATP?

Answer 37

no charge time

Question 38

What is a normal EF?

Answer 38

55-65%

Question 39

What is the normal O2 level in the LV?

Answer 39

95%

Question 40

What is the first phase of Ventricular systole?

Answer 40

isovolumetric contraction

Question 41

What is the dicrotic notch?

Answer 41

closure of the aortic valve

Question 42

What is the normal O2 level in the RV?

Answer 42

65%