EKG, Arrhythmia Management, Pacemakers, & AICDs - Quiz 6

Question 1

What is the ST Depression Threshold for both Males & Females in Leads V₂ & V₃?

Answer 1

• 0.5 mm (- 0.05 mV)

Question 2

What is the ST Depression Threshold for both Males & Females NOT in Leads V2 & V3?

Answer 2

• 1.0 mm (-0.1 mV)

Question 3

What is this Rhythm?

Answer 3

2nd Degree AV Block - Mobitz I

Longer Longer Drop = Wenkebach

Question 4

What is the Rhythm?

Answer 4

Sinus Tachycardia

Question 5

What is the Rhythm?

Answer 5

Atrial Fibrillation

Question 6

What is the ST Elevation Threshold for Females in Leads V₂ & V₃?

Answer 6

1.5 mm (0.15 mV)

Question 7

What is this Rhythm?

Answer 7

2nd Degree AV Block - Mobitz II

Question 8

What med can worsen Torsades?

Answer 8

Lidocaine

Question 9

What is this Rhythm?

Answer 9

1st Degree AV Block

Question 10

What is the ST Elevation Threshold for Males 40 or older in Leads V₂ & V₃?

Answer 10

2 mm (0.2 mV)

Question 11

What is the ST Elevation Threshold for Females NOT in Leads V2 & V3?

Answer 11

> 1 mm (0.1 mV)

Question 12

What is this Rhythm?

Answer 12

Atrial Flutter

Question 13

What is this Rhythm?

Answer 13

Sinus Bradycardia

Question 14

What is this Rhythm?

Answer 14

Ventricular Fibrillation

Question 15

What is the ST Elevation Threshold for Males 40 and older for Leads NOT V₂ or V₃?

Answer 15

1 mm (0.1 mV)

Question 16

What is this Rhythm?

Answer 16

Torsades De Pointes

Question 17

What is the Rhythm?

Answer 17

Ventricular Tachycardia

Question 18

What is the ST Elevation Threshold for Males younger than 40 for Leads V₂ & V₃?

Answer 18

2.5 mm (0.25 mV)

Question 19

What causes Torsades de Points?

Answer 19

Hypokalemia

Hypomagnesemia

Hypocalcemia

Question 20

What is this Rhythm?

Answer 20

3rd Degree AV Block

Question 21

What is this Rhythm?

Answer 21

Supraventricular Tachycardia

Question 22

What are the indications for a Pacemaker?

Answer 22

SA/AV node Disease

Long QT Syndrome

Hypertrophic/Dilated Cardiomyopathy

Question 23

What is the Position 1 on the Pacemaker and what are the possible settings?

Answer 23

Chamber Paced

O, A, V, D

Question 24

What is the Position 2 on the Pacemaker and what are the possible settings?

Answer 24

Chamber Sensed

O, A, V, D

Question 25

What is the Position 3 on the Pacemaker and what are the possible settings?

Answer 25

Response to Sensing ## Footnote **O**: None **I**: Inhibited **T**: Triggered **D**: Dual (T+I)

Question 26

What is the Position 4 on the Pacemaker and what are the possible settings?

Answer 26

Programmability ## Footnote **O**: None **R**: Rate Modulation - Increases the pacer's lower HR limit when Increased Myocardial O₂ Demand may be needed

Question 27

What is the Position 5 on the Pacemaker and what are the possible settings?

Answer 27

Multisite Pacing - Pacing of BOTH Atria and/or BOTH Ventricles O, A, V, D

Question 28

What is Failure to Capture?

Answer 28

When Pacer's Electrical Output fails to cause Myocardial Depolarization

Question 29

What is Failure to Sense?

Answer 29

When Pacer fails to recognize Intrinsic Cardiac Electrical Activity

Question 30

What are the indications for an AICD?

Answer 30

V-Tach/Fib EF \< 30% Post MI Cardiomyopathy w/ EF \< 35% Awaiting Heart Transplant Long QT Syndrome Hypertrophic Cardiomyopathy

Question 31

What is the Position I on an AICD and what are the possible settings?

Answer 31

Shock Chambers O, A, V, D

Question 32

What is the Position II on an AICD and what are the possible settings?

Answer 32

Anti-Tachycardia Pacing Chambers O, A, V, D

Question 33

What is the Position III on an AICD and what are the possible settings?

Answer 33

Tachycardia Detection **E**: Electrocardiogram **H**: Hemodynamic

Question 34

What is the Position IV on an AICD and what are the possible settings?

Answer 34

Anti-Bradycardia Pacing Chambers O, A, V, D

Question 35

At what energy level does an AICD cardiovert a V-Tach Rhythm?

Answer 35

1-30 Joules

Question 36

At what energy level does an AICD defibrillate a V-Fib Rhythm?

Answer 36

10-30 Joules x 6 Shocks if needed

Question 37

What is the most common source for Electromagnetic Interference w/ Pacemakers/AICDs?

Answer 37

Electrocautery

Question 38

Which type of Cautery poses less risk of Electromagnetic Interference?

Answer 38

Bipolar Cautery w/ the Anode & Cathode at the tip vs. A Monopolar Cautery w/ a Grounding Pad

Question 39

What happens when a Magnet is placed on a Pacemaker?

Answer 39

Sets Pacemaker to Asynchronous Pacing Rate & Disables Rate Modulation

Question 40

What happens when you place a Magnet on an AICD?

Answer 40

AICD wont be able to Shock VT or VF

Question 41

What happens when a Magnet is placed on a Dual Pacemaker or ICD?

Answer 41

ONLY disables Shock Function