IBHRE Study guides, Study notes & Summaries

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

Lithium iodine battery V? - ️️2.8V- not used for ICDs due to low peak power. Qmr Lithium Iodine/ silver V? - ️️3.2V Qhr- used for ICDS Which is an example of a closed loop sensor? - ️️myocardial contractility and O2 stat Primary Sensor - ️️detects changes in normal physiologic responses Secondary - ️️detects internal changes from exercise- QT MV pH Tertiary - ️️detects changes as a result of exercise- piezo accelerometer The smaller the cathode surface t...

IBHRE practice exam #1 questions & answers 2023/2024 Wenkebach window - ANSWER-Max tracing interval(in ms) - TARP(in ms) 2:1 Block Point - ANSWER-60,000/TARP Basic unit of capacitance - ANSWER-Farad Function of pacemaker circuitry that allows the pacemaker output pulse to be dissipated quickly maximizing both output and sensing capabilities - ANSWER-Charge dump Av sequentially paced pts with frequent ventricular ectopy should have what programmed to decrease chance of competitio...

IBHRE Review Exam Questions & Answers 2023/2024 AV Node Reentry Tachycardia (AVNRT) - ANSWER-- 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 - ANSWER-lowest point on a strength duration curve at an infinitely long pulse duration; for cardiac pacing, the rheobase i...

IBHRE Study set Exam Questions & Answers 2023/2024 What lead insulation materials are known for reducing fibroblast in growth and susceptibility to MIO and ESC? - ANSWER-ePTFE and 80A polyurethane What are the two most common causes of ventricular safety pacing ? - ANSWER-Ventricular ectopy and loss of atrial sensing What electrode material would most likely result in higher pacing thresholds and high polarization? - ANSWER-Elgiloy Which phase of the action potential would correlat...

IBHRE Exam Questions & Answers 2023/2024 Lithium iodine battery V? - ANSWER-2.8V- not used for ICDs due to low peak power. Qmr Lithium Iodine/ silver V? - ANSWER-3.2V Qhr- used for ICDS Which is an example of a closed loop sensor? - ANSWER-myocardial contractility and O2 stat Primary Sensor - ANSWER-detects changes in normal physiologic responses Secondary - ANSWER-detects internal changes from exercise- QT MV pH Tertiary - ANSWER-detects changes as a result of exercise- piez...

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