IBHRE | International Board of Heart Rhythm Examiners|Bundle

Lithium iodine battery V? - correct answer 2.8V- not used for ICDs due to low peak power. Qmr Lithium Iodine/ silver V? - correct answer 3.2V Qhr- used for ICDS Which is an example of a closed loop sensor? - correct answer myocardial contractility and O2 stat Primary Sensor - correct answer...

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 ...

Wenkebach window - correct answer Max tracing interval(in ms) - TARP(in ms) 2:1 Block Point - correct answer 60,000/TARP Basic unit of capacitance - correct answer Farad Function of pacemaker circuitry that allows the pacemaker output pulse to be dissipated quickly maximizing both output an...

High response rate patient characteristics - correct answer Female LBBB Non-ischemic HF QRS > 150 ms No MI Low BMI Smaller LA volume CRT class 1 indication - correct answer Must have LBBB and QRS > 150 ms NYHC II, III LVEF < 35% Sinus rhythm CRT class IIa indication - correct...

A blockage to which coronary artery can cause AV Block? - correct answer Posterior Descending Artery most commonly supplied by RCA but could be supplied by the circumflex What type of tissue has the longest refractory period? - correct answer Ventricular Is the femoral vein medial or lateral t...

How many HZ are in bpm? - correct answer 1 HZ is equal to 60 bpm In what relation are the units microamps and milliamps used in terms of equations? - correct answer Microamps is a unit of current drain of battery for battery longevity. Milliamps is a unit for ohms law and the energy equation. ...

168. Compared to the the permanent pacemaker, does a temp pacer have constant current or voltage? Also, how much voltage can it generate? 5V or 20V? - correct answer Constant current, 20V. (Doubles 9.5V) 171. Which patient with acute MI is most likely to need a temp pacer? Inferior MI, Mobitz I...

SA node --(internodal pathway)-> AV node --> AV bundle --> bundle branches --> purkinje fibers - correct answer what is the order of the conduction system of the heart SVC & IVC ---> RA ---> Tricuspid ---> RV ---> P Valve ---> PA ---> lungs ---> P Veins ---> LA...