Ibhre test - Study guides, Class notes & Summaries

IBHRE TEST INTERNATIONAL BOARD OF HEART RHYTHM EXAMINERS TEST | QUESTIONS AND CORRECT ANSWERS | GRADED A+ | VERIFIED ANSWERS | LATEST VERSION

What current ICD capacitor technologies provide the highest energy density and does not require reformation? - Answer-Tantalum Electrolytic 1.67 Hz would equal how many bpm? - Answer-100 bpm 1 bpm = 0.0166667 Hz Which pace/sense lead designs would one expect the highest current density w/ a bipolar impedance reading of 1100 ohms? - Answer-Brady lead w/ anode of 4.2 mm2 and cathode 5.2 mm2 What is the voltage measurement of a pacing system w/ impedance of 500 ohms, current of 5.0 millia...

IBHRE TEST QUESTIONS AND ANSWERS 100% SOLVED Which of the following lead insulation materials are known for reducing fibroblast in-growth and susceptibility to MIO (metal ions degrade) and ESC (environmental stress cracking), respectively? a. Silicone and 55D polyurethane b. Silicone and ETFE c. 80A polyurethane and silicone/polyurethane hybrid d. ePTFE and 80A polyurethane d. ePTFE and 80A polyurethane (Poly you can make smaller Fr lead. Slippery, tougher material) (ePTFE on shocki...

Brady IBHRE Test Questions and Answers 100% Solved SA node --(internodal pathway)-> AV node --> AV bundle --> bundle branches --> purkinje fibers what is the order of the conduction system of the heart SVC & IVC ---> RA ---> Tricuspid ---> RV ---> P Valve ---> PA ---> lungs ---> P Veins ---> LA ---> Mitral valve ---> LV ---> Aortic valve ---> Aorta ---> Body What is flow of blood through heart Conductivity- cell to cell communication...

1 French size = - .3 mm 40% of athletic field deaths? - HCM AFFIRM - rate control vs rhythm control and they are equivalent Anode should be how much bigger than the cathode? - 3xs (4-20mm in pacing leads) antibiotics typically given within 60 minutes of implant but VANcomycin is what? - within 2 hours Basic Unit of Energy? - Joule Battery capacitance of a pacemaker is given in? - Current Bipolar configuration has: - higher impedance and higher threshold Brugada - Prominent in SE Asia and...

IBHRE Test Questions and Answers 100% Solved Functional Refractory Period (FRP) the coupling interval which first results in a measurable degree of delay in impulse conduction effective refractory period the longest coupling interval to be associated with block resting (transmembrane) potential the voltage difference between the inside and outside of the cell fiber (negative inside cell) action potential the cellular characteristics of depolarization and repolarization. Consists of 5 ...

IBHRE ATI Practice Test Questions and Answers 100% Solved How many HZ are in bpm? 1 HZ is equal to 60 bpm In what relation are the units microamps and milliamps used in terms of equations? Microamps is a unit of current drain of battery for battery longevity. Milliamps is a unit for ohms law and the energy equation. In the Ohms law equation, what are the units? V=I x R: Volts= mA x kOhms What is the formula for energy? E = V x I x PW and can be converted into E = (V^2 x PW)/R. E is...

IBHRE ATI Practice Test Questions and Answers 100% Solved How many HZ are in bpm? 1 HZ is equal to 60 bpm In what relation are the units microamps and milliamps used in terms of equations? Microamps is a unit of current drain of battery for battery longevity. Milliamps is a unit for ohms law and the energy equation. In the Ohms law equation, what are the units? V=I x R: Volts= mA x kOhms What is the formula for energy? E = V x I x PW and can be converted into E = (V^2 x PW)/R. E is...

IBHRE Test Questions and Answers 100% Solved Class I Drugs Sodium Channel blockers (Phase 0) Class II Drugs Beta blockers (SA/AV Node) Class III Drugs Potassium Channel blockers (Phase 3) Class IV Drugs Calcium Channel Blockers (Phase 2) Class V Drugs Digitalis (SA + AV Nodes) What is the most posterior structure of the heart? LA On an EKG, what structure is always negative? AVN Lead I: + aVF: + normal axis deviation Lead I: + aVF: - left axis deviation Lead I: - aVF: + right axis de...