IBHRE STUDY EXAM QUESTIONS WITH COMPLETE SOLUTIONS

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 myocardia stim thresholds? acidsosis, exercise, atropine eating, hyperoxia, insulin acidosis, alkalosis, hypoxia correct answer: acidosis, alkalosis, hypoxia 104: AV Block and VT/VF is a result of which disease? correct answer: Chagas disease 105: 75 yo with AF is being treated with Warfarin to help prevent stroke. Which of the following INR range is most appropriate? 1-2 2-3 3-4 correct answer: 2-3 106: 80 yo male with AF with uncontrolled VR for 2 years. mild-moderate symptoms with rapid rates. Based on AFFIRM, what would you recommend to treat? -AV nodal ablation with ppm -rhythm control with cardioversion -rate control and anticoagulation therapy -atrial ICD or MAZE-COX III procedure correct answer: rate control and antic 107: Which drug carry highest risk of torsades? - quinidine 1a, procainamide 1a, disopyrimide -lido 1b, mexiletine 1b, phenytoin -flecainide 1c, metoprolol, atenolol correct answer: A 115: Approximate number of SD episodes in US each year? correct answer: A 119: Neuromuscular disease with any degree of fasicul block is considered class IIB indic for