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A concise overview of key concepts and definitions relevant to the ibhre cardiac ep exam. It covers essential topics such as cardiac conduction system, electrophysiology, and pacing systems. Particularly useful for students preparing for the ibhre cardiac ep exam, offering a quick reference guide to important terms and concepts.
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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
RA pressure - Correct Answer- 2 - 8 mmHg RV - Correct Answer- 15 - 28 mmHg LV - Correct Answer- 90 - 140 mmHg AO - Correct Answer-120 mmHg LA pressure - Correct Answer- 5 - 12 mmHg