IBHRE

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Name three causes of atrial standstill Myocardial Infarction Digitalis glycosides Hyperkalemia A 59 yo female with ischemic cardiomyopathy presents with palpitations, lightheadedness, insomnia and feels jittery. She has a CRT-D device. Takes Furosemide, potassium, lisinopril, carvedilol and amiodarone. Seeing short runs of VT on her device interrogation. Hyperthyroidism What would be your best next step for ordering tests? Thyroid panel Which antiarrhythmic drug is least likely to...

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 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...

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 to the femoral artery? correct answer: The femoral vein is medial to the femoral artery At what value is something statistically significant? correct answer: P<0.05 What are the normal cardi...

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....

IBHRE EXAM LATEST UPDATE....

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...

IBHRE PREP Exam With 100% Correct Answers 2023

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 - Answer-P-wave disperson 102:What will significantly lower myocardial stim thresholds? mineralocorticoids lidocaine verapamil dexamethasone sodium phosphate - Answer-dexamethasone sodium phosphate 103: What may elevate myocardia stim thresholds? acidsosis, exercise, atropine eating,...