Ibhre 1 Study guides, Class notes & Summaries

IBHRE Exam with Correct Answers Class I Drugs - Answer-Sodium Channel blockers (Phase 0) Class II Drugs - Answer-Beta blockers (SA/AV Node) Class III Drugs - Answer-Potassium Channel blockers (Phase 3) Class IV Drugs - Answer-Calcium Channel Blockers (Phase 2) Class V Drugs - Answer-Digitalis (SA + AV Nodes) What is the most posterior structure of the heart? - Answer-LA On an EKG, what structure is always negative? - Answer-AVN Lead I: + aVF: + - Answer-normal axis deviati...

IBHRE-1 Test Questions and Answers 100% Solved which lead insulation material is known for reducing fibroblast in-growth ePTFE which lead insulation is succeptible to MIO and ESC 80A Polyurethane what is ESC cracks or crazing that occurs in polyurethane in response to certain chemicals and external stresses what is MIO a polyurethne degradation where moisture and metal ions act as a catalyst to accelerate degradation what lead insulation material improves the ease of extraction ePTFE ...

IBHRE CEPS Exam with Complete Solutions Ohm's law equation V=IR EKG monitored patient should be __________, monitor chassis should be ___________ (nonconductive). Why ungrounded, grounded. Grounded patient would be able to conduct leakage currents. we dont want this lb to kg 2.2 lb = 1 kg F to C C=5/9(F-32) C to F F=9/5C+32 3 things that change automaticity of automatic cells 1. slope of phase 4 2. Change of threshold potential 3. Change of resting membrane potential a systole is...

EP IBHRE misc Questions and Answers 100% Solved Ohm's law expresses a relationship between voltage, current, and resistance as: Voltage = Amps x Resistance (Impedance) The property of an electronic circuit component through which current flows is proportional to the applied voltage is known as: resistance what term is equivalent to 1 J? WATT-SECOND What is the most appropriate band pass setting for bipolar intracardiac electrogram recordings? 40-500 Hz A band-pass filter modifies ...

IBHRE EXAM 2024 WITH 100% CORRECT ANSWERS Voltage is? - correct answer The electromotive force pushing on electrons If the PM output voltage is 5v and the measured lead resistance is 330 ohms, then the current that flows out of the pacemaker into the heart is? - correct answer 15.15 I=V/R=5V/.33 k ohm If a unipolar lead wire has an insulation break one would expect the resistance to? - correct answer decrease for a wire fracture the resistance? - correct answer increases if th...

IBHRE Practice Exam #1 With 100% Correct Answers 2023

IBHRE Review Test Questions and Answers 100% Solved AV Node Reentry Tachycardia (AVNRT) - accounts for ~60% of arrhythmias presenting as SVT or paroxysmal atrial tachycardia (PAT) - affects all age groups and genders equally - no correlation with heart disease - heart rate 150-250 bpm, palpitations, light-headedness, near-syncope, narrow QRS complex rheobase lowest point on a strength duration curve at an infinitely long pulse duration; for cardiac pacing, the rheobase is usually reac...

IBHRE Study Material: GTP Trivia Questions and Answers 100% Solved Most common form of SVT AVNRT AVNRT Characteristics 1. prolonged PR interval in the beat that starts reentry 2. HR: 150- 250 bpm 3. neck pounding, palpitations, light-headiness, near-syncope 4. narrow QRS 5. abrupt onset and termination of episodes 6. more common in women 7. frequently presents after age 20 rheobase the lowest point on a strength-duration curve at an infinitely long pulse duration chronaxie time pulse...

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...