IBHRE Cardiac EP Exam Prep Book
Exam With 100% Correct Answers
2025/2026
Ionotropy - Correct Answer-Pertains to the contractility of the heart
Lenegre's disease - Correct Answer-The sclero-degenerative process involving the
cardiac conduction system
Ebstein's anomaly - Correct Answer-Downward displacement of the tricuspid valve into
the right ventricle with a large atrium and small right ventricle
Mahaim fiber - Correct Answer-Term for a 'nodofascicular' accessory pathway
Right coronary artery - Correct Answer-Supplies blood to the SA node in the majority of
patients
Infra-nodal block - Correct Answer-Conduction that involves the His-Purkinje system
SA and Av nodal automaticity - Correct Answer-Attributed to the abundance of Slow
calcium channels
Hypocalcemia - Correct Answer-Pt would present with prolongation of the QT interval
Normal axis - Correct Answer-Falls into 0 to +90 degrees
250 to 350bpm - Correct Answer-Uniform P waves at this rate range indicate atrial
flutter
Zener diode - Correct Answer-Shunts energy away from a pacing circuit
Rectifier - Correct Answer-Converts biphasic signal into signal with one deflection
Farad - Correct Answer-Basic unit for capacitance
Silver Vanadium Oxide - Correct Answer-ICD Batteries are composed of this
MIO - Correct Answer-Lead failure occurs inside-out related to contact with reactive
metals
Hertz - Correct Answer-Bandpass filters effect which unit of measure
