IBHRE CCDS EXAM QUESTION BANK | NEWEST 2026 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED A+ | BRAND NEW | 100% GUARANTEED PASS.

IBHRE CCDS EXAM QUESTION BANK | NEWEST 2026 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED A+ | BRAND NEW | 100% GUARANTEED PASS. A patient with a DDDR pacemaker, LRL 60, UTR 130 ppm, is having a follow - up performed. After 7 minutes of conversation, the pacemaker is pacing at 110 ppm. Which of the following parameters should be changed? a) mode switching b) sensor threshold c) sensor slope d) ADL rate - Correct Answer B. Sensor Threshold The value of the X of Y algorithm for VF detection is: a) that it can discriminate VT from VF b) that it is not reset by a single missed beat c) that it can discriminate VT from AF d) that it can discriminate VT from SVTs - Correct Answer B. That it is Not Reset by a Single Missed Beat Page 2 of 268 The time between heart beats would be describe as: A. Coupling interval B. Automaticity C. Refractory period D. Cycle length - Correct Answer D. Cycle Length The electrical circuit that converts a signal with both positive and negative components into a signal with only one component? a) resistor b) rectifier c) diode d) capacitor - Correct Answer B. Rectifier Which of the following complications has been reported from retained abandoned leads? Page 3 of 268 a. inappropriate therapy from an ICD b. extra - cardiac stimulation c. inappropriate sensing d. all of the above - Correct Answer D. All the above A programming mode that would NOT be utilized to manage intermittent atrial fibrillation in a patient with a DDD pacemaker is:. a) DDI b) DVI c) VDD d) VVI - Correct Answer C. VDD Rate hysteresis may be misinterpreted as: a) loss of capture Page 4 of 268 b) oversensing c) rate smoothing d) undersensing - Correct Answer B. Oversensing Which of the following might be manifested from an electrolyte imbalance? a) loss of capture b) abnormal lead impedance c) consistent paced rate lower than base rate d) a pause or lack of pacemaker stimulus - Correct Answer A. Loss Of Capture What is the disease responsible for most bradyarrhythmias? A. Sick Sinus Syndrome B. Carotid sinus syndrome C. Tachy - brady syndrome D. Heart block - Correct Answer A. Sick Sinus Syndrome Page 5 of 268 Chronic lead insulation failure could be due to: a) metal ion oxidation b) subclavian crush c) environmental stress cracking d) all of the above - Correct Answer D. All of the above Pocket stimulation is a complication most commonly associated with: a) transvenous leads b) epicardial leads c) unipolar leads d) bipolar leads - Correct Answer C. Unipolar leads Which of the following features may explain why a pacemaker mediated tachycardia may only be initiated when atrial rates are faster than 100 ppm? a) adaptive PVARP Page 6 of 268 b) rate modulation on c) A- V delay "offset" programmed on d) PMT algorithm programmed off - Correct Answer A. Adaptive PVARP A commonly utilized rate modulated sensor which requires a bipolar lead includes: a) Q - T interval b) accelerometer c) minute ventilation d) paced depolarization integral - Correct Answer C. Minute Ventilation Which of the following statements best characterizes the possible interaction of electronic anti - theft surveillance systems and pacemakers? a) temporary oversensing b) no interactions documented Page 7 of 268 c) reversion to a back - up mode d) damage to the CMOS circuit - Correct Answer A. Temporary Oversensing Which of the following programmable features would minimize rate acceleration above the upper tracking rate in a sensor driven pacemaker utilizing ventricular based timing? a) refractory extension b) tachycardia termination algorithm c) rate responsive AV delay d) DVI on PVC - Correct Answer C. Rate Responsive AV Delay Early results have shown which of the following categories of CHF patients to benefit from biventricular pacing? a) NYHA I - III b) NYHA II - III c) NYHA III with BBB Page 8 of 268 d) NYHA III & IV - Correct Answer C. NYHA III w/ BBB Which of the following programmed settings would be the safest and most efficient for a threshold measured at 2.0 V and 0.5 ms PW? A. 4.0 V & 0.5 ms PW B. 2.0 V & 1.5 ms PW C. 4.0 V & 1.0 ms PW D. 2.5 V & 0.6 ms PW - Correct Answer A. 4.0 V @ 0.5 ms Ability to mode switch in the presence of fine atrial fibrillation may be enhanced by each of the following EXCEPT: A. increase atrial sensitivity B. decrease mode switch rate C. decrease PVAB D. decrease PVARP - Correct Answer D. Decrease PVARP Which of the following statements best characterizes P - wave amplitudes in a given population of patients? A. amplitudes improve with both active and passive lead maturation Page 9 of 268 B. amplitudes change with different activities and postures C. amplitudes measure higher in the unipolar configuration D. amplitudes tend to be better in sinus node disease versus block patients - Correct Answer B. Amplitudes Change w/ Different Activities & Postures Autodecremental pacing within a burst is known as: Page 10 of 268 a) burst pacing b) scanning c) marginal underdrive d) ramp pacing - Correct Answer D. Ramp Pacing Which of the following potential pacemaker/defibrillator interactions can result in defibrillator inhibition in a patient implanted with both devices? a) double or triple counting of pacing stimuli b) electromagnetic interference during pacer programming c) pacemaker in back - up mode d) pacemaker failure to sense ventricular fibrilla