IBHRE Certification Exam Comprehensive Practice
Questions with Answers 2025 -2026 Rated A+
1.67 Hz would equal how many bpm? - ANSWER-100 bpm
1 bpm = 0.0166667 Hz
A band-pass filter modifies incoming signals according to which of the following units of
measure? - ANSWER-Hertz
A function of pacemaker circuitry that allows the pacemaker output to be dissipated
quickly maximizing both the output and sensing capability? - ANSWER-Charge dump
A likely benefit but possible concern of a ventricular detection enhancement such as
"stability" would be best described as what? - ANSWER-Increase the specificity but
decrease the sensitivity
A MDT style 3.2mm low profile lead with no sealing rings and a long pin fits
appropriately with which header? - ANSWER-VS-1 B (sealing rings in header)
A patient is scheduled to receive radiation therapy for lung cancer in a location very
close to an implanted generator. What should be done? - ANSWER-Relocate the
pacemaker before the radiation treatment
A patient who undergoes revascularization for CAD who has sustained VT should be
managed with: - ANSWER-Post or perisurgical ICD implamt
An EP takes a retrospective look at 360 consecutive ICD patients to gather data one his
patient survival statistic. It uncovers one pharmacological factor was linked to better
patient survival, what is it ? - ANSWER-Beta blocker therapy
An idiopathic dilated cardiomyopathy patient was implanted with an ICD due to aborted
SCD. Patient was placed on amio to decrease frequency of VT. As a result of the amio
the patient experienced thyrotoxicosis which manifests itself by? - ANSWER-
Polymorphic VT
Approximate infection rate of CRTD implant in a normal healthy male? - ANSWER-2-4%
Approximately what percentage of CRT patients are non responders? - ANSWER-30%
Arrythmogenic RV dysplasia differs from brugada syndrome by presenting with? -
ANSWER-Monomorphic VT
AV block occurs in what percentage of congenital open heart surgeries? - ANSWER-1-
3%
, AV sequential paced patients with frequent ventricular ectopic should have the the
following parameters to decrease chance of competition: - ANSWER-Short blanking
periods
Battery capacity of a pacemaker is given in which parameter? - ANSWER-Current
DBS (Drawn Brazed Strand) is a term associated with: - ANSWER-Silver & nickel alloy
conductor material
Defibrillation energies exceed pacing energies by a factor of ? - ANSWER-1,000,000
Diastolic dysfunction is characterized by: - ANSWER-Increased ventricular wall stiffness
Early results have shown which of the following categories of CHF patients to benefit
from BiV pacing? - ANSWER-NYHA class III with BBB
Fluoroquinolones, a new gen antibiotic is known for which cardiac effect? - ANSWER-
Prolonging QT
If one doubles the distance away from the radiation source, the exposure level is ____
compared to original? - ANSWER-1/4 less
In a circuit with resistance of 500 ohms and 600 ohms in the parallel circuit the
resistance would be? - ANSWER-R total = R1 x R2
————
(R1 + R2)
= (500 x 600)
——————-
(500 + 600)
= 272.7 ohms
In a normal person, stroke volume increases by what % when exercising? - ANSWER-
50%
In order to charge a capacitor, and ICD must provide current of approximately: -
ANSWER-2 amps
In order to have a pacing system automatically assess capture and thresholds, the
essential electrode characteristics would be? - ANSWER-Minimal electrode diameter
size
In pacing, capacitors are: - ANSWER-Charged in parallel and discharged in series
Infection from microorganisms within the patient would be termed? - ANSWER-
Endogenous
Questions with Answers 2025 -2026 Rated A+
1.67 Hz would equal how many bpm? - ANSWER-100 bpm
1 bpm = 0.0166667 Hz
A band-pass filter modifies incoming signals according to which of the following units of
measure? - ANSWER-Hertz
A function of pacemaker circuitry that allows the pacemaker output to be dissipated
quickly maximizing both the output and sensing capability? - ANSWER-Charge dump
A likely benefit but possible concern of a ventricular detection enhancement such as
"stability" would be best described as what? - ANSWER-Increase the specificity but
decrease the sensitivity
A MDT style 3.2mm low profile lead with no sealing rings and a long pin fits
appropriately with which header? - ANSWER-VS-1 B (sealing rings in header)
A patient is scheduled to receive radiation therapy for lung cancer in a location very
close to an implanted generator. What should be done? - ANSWER-Relocate the
pacemaker before the radiation treatment
A patient who undergoes revascularization for CAD who has sustained VT should be
managed with: - ANSWER-Post or perisurgical ICD implamt
An EP takes a retrospective look at 360 consecutive ICD patients to gather data one his
patient survival statistic. It uncovers one pharmacological factor was linked to better
patient survival, what is it ? - ANSWER-Beta blocker therapy
An idiopathic dilated cardiomyopathy patient was implanted with an ICD due to aborted
SCD. Patient was placed on amio to decrease frequency of VT. As a result of the amio
the patient experienced thyrotoxicosis which manifests itself by? - ANSWER-
Polymorphic VT
Approximate infection rate of CRTD implant in a normal healthy male? - ANSWER-2-4%
Approximately what percentage of CRT patients are non responders? - ANSWER-30%
Arrythmogenic RV dysplasia differs from brugada syndrome by presenting with? -
ANSWER-Monomorphic VT
AV block occurs in what percentage of congenital open heart surgeries? - ANSWER-1-
3%
, AV sequential paced patients with frequent ventricular ectopic should have the the
following parameters to decrease chance of competition: - ANSWER-Short blanking
periods
Battery capacity of a pacemaker is given in which parameter? - ANSWER-Current
DBS (Drawn Brazed Strand) is a term associated with: - ANSWER-Silver & nickel alloy
conductor material
Defibrillation energies exceed pacing energies by a factor of ? - ANSWER-1,000,000
Diastolic dysfunction is characterized by: - ANSWER-Increased ventricular wall stiffness
Early results have shown which of the following categories of CHF patients to benefit
from BiV pacing? - ANSWER-NYHA class III with BBB
Fluoroquinolones, a new gen antibiotic is known for which cardiac effect? - ANSWER-
Prolonging QT
If one doubles the distance away from the radiation source, the exposure level is ____
compared to original? - ANSWER-1/4 less
In a circuit with resistance of 500 ohms and 600 ohms in the parallel circuit the
resistance would be? - ANSWER-R total = R1 x R2
————
(R1 + R2)
= (500 x 600)
——————-
(500 + 600)
= 272.7 ohms
In a normal person, stroke volume increases by what % when exercising? - ANSWER-
50%
In order to charge a capacitor, and ICD must provide current of approximately: -
ANSWER-2 amps
In order to have a pacing system automatically assess capture and thresholds, the
essential electrode characteristics would be? - ANSWER-Minimal electrode diameter
size
In pacing, capacitors are: - ANSWER-Charged in parallel and discharged in series
Infection from microorganisms within the patient would be termed? - ANSWER-
Endogenous
