IBH Study guides, Class notes & Summaries

PVARP....after a _____ event, refractory for the ______ correct answer: ventricle, atrium what is most likely the cause of the under detection of atrial flutter? correct answer: p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? correct answer: DAVID and MOST when are the wedensky effects the greatest correct answer: at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what class of indicatio...

CCDS IBHRE Exam Questions & Answers 2023/2024 Rheobase - ANSWER-the lowest point on a strength duration curve at an infinitely long pulse duration Chronaxie time - ANSWER-the pulse width at twice the rheobase value. It approximates the most efficient stimulation pulse duration Charge (formula) - ANSWER-Charge= I(current) x T(time) Furman's formula - ANSWER-Energy(microjoules)= I(current)xV(voltage)xT(pulse width) Ohms law formula - ANSWER-Voltage(electromotive force)= I(current...

Adenosine correct answer: Blocks outward K+ current Blocks AVN slows HR Effect is Brief 6mg 1st 12mg 2nd 12mg 3rd Valium correct answer: Benzodiazepine Amnesiac effect Affects respiratory Long acting, painful Reversal Romazicon (flumazenil) 2mg every minute Short acting Never really reverses Versed correct answer: Benzodiazepeine 0.5-2mg/time Provides amnesiac effect Affects respiratory system Short acting Reversal-Romazicon (flumazemil) 2mg every 1 min A...

IBHRE EXAM 2024 WITH 100% CORRECT ANSWERS 101: Which of the following limited sens diagnostic tools has not been shown to be a + predictor for increased risk of SCD? Signal alternans T-wave alternans Heart rate variability P-wave dispersion - correct answer P-wave disperson 102:What will significantly lower myocardial stim thresholds? mineralocorticoids lidocaine verapamil dexamethasone sodium phosphate - correct answer dexamethasone sodium phosphate 103: What may elevate myo...

Rheobase correct answer: the lowest point on a strength duration curve at an infinitely long pulse duration Chronaxie time correct answer: the pulse width at twice the rheobase value. It approximates the most efficient stimulation pulse duration Charge (formula) correct answer: Charge= I(current) x T(time) Furman's formula correct answer: Energy(microjoules)= I(current)xV(voltage)xT(pulse width) Ohms law formula correct answer: Voltage(electromotive force)= I(current/flow of...

IBHRE PREP Exam Questions & Answers 2023/2024 PVARP....after a _____ event, refractory for the ______ - ANSWER-ventricle, atrium what is most likely the cause of the under detection of atrial flutter? - ANSWER-p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? - ANSWER-DAVID and MOST when are the wedensky effects the greatest - ANSWER-at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what...

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. In the Ohms law equation, what are the units? correct answer: V=I x R: Volts= mA x kOhms What is the formula for energy? correct answer: E = V x I x PW and can be converted into E = (V^2 x PW)/R....

AV Node Reentry Tachycardia (AVNRT) correct 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 correct answer: lowest point on a strength duration curve at an infinitely long pulse duration; for cardiac pacing, the rheobase is usually reached between 1-2ms ch...

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EP IBHRE Exam With 100% Correct Answers 2023