IBHRE EXAM, PRACTICE EXAM AND STUDYGUIDE
COMPLETE QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR JUST RELEASED
Question 1: Types of pacemaker-ICD interaction(s) previously
reported include:
a) reprogramming of the pacemaker by ICD discharge
b) double or triple sensing of pacing artifacts and ventricular
depolarizations by the ICD
c) failure of the pacemaker to sense and pace appropriately after ICD
discharge
d) all of the above
Answer:
D. All the above
Question 2: A desirable lead impedance for patch electrodes in an
ICD system would be:
a) very low (< 50 Ohms)
b) low (200 Ohms)
c) moderate (500 Ohms)
d) high ( 1000 Ohms)
Answer:
A. Very Low (< 50 Ohms)
Question 3: Long term complications of epicardial defibrillation
leads include which of the following?
a) patch crumpling
, b) constrictive pericarditis
c) patch erosion
d) all of the above
Answer:
D. All the above
Question 4: Which of the following detection criteria attempts the
differentiation of ventricular tachycardia from sinus tachycardia?
a) rate
b) onset
c) stability
d) high rate criteria
Answer:
B. Onset
Question 5: Ventricular fibrillation rate criteria may be coupled with
which of the following discriminators to increase specificity for
detection?
a) morphology discrimination
b) onset
c) stability
d) none of the above
Answer:
D. None of the above
Question 6: An ATP scheme that was delivered as
350/340/330/320/310 then 340/330/320/310/300 would be considered:
, a) a scan
b) a ramp
c) a ramp/scan
d) a burst
Answer:
C. Ramp / Scan
Question 7: How much greater than the DFT should the maximum
energy output of an ICD be?
a) 10J
b) 15J
c) 5J
d) 20J
Answer:
A. 10 J
Question 8: Approximately what percentage of ICD patients receive
appropriate shocks from their devices?
a) 10-20%
b) 20-30%
c) 30%-80%
d) 80-95%
Answer:
C. 30-80%
Question 9: During ICD troubleshooting for nonconversion or
nondetection a large increase in the lead impedance would most
likely indicate which of the following?
, a) lead dislodgment
b) patch electrode crinkling
c) component failure
d) lead fracture
Answer:
D. Lead Fracture
Question 10: Which of the following would typically increase a
patient's defibrillation threshold?
a) pneumothorax
b) ibutilide
c) clofilium
d) sotalol
Answer:
A. Pneumothorax
Question 11: Pacemaker-ICD interactions which may result in the
delivery of inappropriate ICD therapy include each of the following
EXCEPT:
A. pacemaker noise reversion
B. pacemaker undersensing
C. pacemaker oversensing
D. pacemaker double counting
Answer:
C. Pacemaker Oversensing
Question 12: Which of the following conditions would rule out
ventricular tachycardia?
COMPLETE QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR JUST RELEASED
Question 1: Types of pacemaker-ICD interaction(s) previously
reported include:
a) reprogramming of the pacemaker by ICD discharge
b) double or triple sensing of pacing artifacts and ventricular
depolarizations by the ICD
c) failure of the pacemaker to sense and pace appropriately after ICD
discharge
d) all of the above
Answer:
D. All the above
Question 2: A desirable lead impedance for patch electrodes in an
ICD system would be:
a) very low (< 50 Ohms)
b) low (200 Ohms)
c) moderate (500 Ohms)
d) high ( 1000 Ohms)
Answer:
A. Very Low (< 50 Ohms)
Question 3: Long term complications of epicardial defibrillation
leads include which of the following?
a) patch crumpling
, b) constrictive pericarditis
c) patch erosion
d) all of the above
Answer:
D. All the above
Question 4: Which of the following detection criteria attempts the
differentiation of ventricular tachycardia from sinus tachycardia?
a) rate
b) onset
c) stability
d) high rate criteria
Answer:
B. Onset
Question 5: Ventricular fibrillation rate criteria may be coupled with
which of the following discriminators to increase specificity for
detection?
a) morphology discrimination
b) onset
c) stability
d) none of the above
Answer:
D. None of the above
Question 6: An ATP scheme that was delivered as
350/340/330/320/310 then 340/330/320/310/300 would be considered:
, a) a scan
b) a ramp
c) a ramp/scan
d) a burst
Answer:
C. Ramp / Scan
Question 7: How much greater than the DFT should the maximum
energy output of an ICD be?
a) 10J
b) 15J
c) 5J
d) 20J
Answer:
A. 10 J
Question 8: Approximately what percentage of ICD patients receive
appropriate shocks from their devices?
a) 10-20%
b) 20-30%
c) 30%-80%
d) 80-95%
Answer:
C. 30-80%
Question 9: During ICD troubleshooting for nonconversion or
nondetection a large increase in the lead impedance would most
likely indicate which of the following?
, a) lead dislodgment
b) patch electrode crinkling
c) component failure
d) lead fracture
Answer:
D. Lead Fracture
Question 10: Which of the following would typically increase a
patient's defibrillation threshold?
a) pneumothorax
b) ibutilide
c) clofilium
d) sotalol
Answer:
A. Pneumothorax
Question 11: Pacemaker-ICD interactions which may result in the
delivery of inappropriate ICD therapy include each of the following
EXCEPT:
A. pacemaker noise reversion
B. pacemaker undersensing
C. pacemaker oversensing
D. pacemaker double counting
Answer:
C. Pacemaker Oversensing
Question 12: Which of the following conditions would rule out
ventricular tachycardia?
