IBHRE CEPS Exam Questions with 100% Correct Answers what is the common name for Versed - Correct Answer midazolam standard adult dose of atropine - Correct Answer .04 mg/kg how much NPH insulin should a patient be administered prior to an EP study? (they are fasting think about blood sugar) - Correct Answer half dose What is the elimination half life of amiodarone? - Correct Answer 4-8 weeks how long should an anti arrhythmic drug be discontinued prior to EP study? - Correct Answer 4 half lives what do class I drugs primarily affect? - Correct Answer sodium channel what do class 1 drugs effect on sodium channels primarily do? - Correct Answer slope of phase 0 (depolarization speed) slow conduction velocity and increase refractoriness - Correct Answer Class 1A drugs drugs that shorten refractory periods - Correct Answer Class 1B drugs pronounced depressants on conduction velocity - Correct Answer Class 1C drugs What class antiarrhythmic are beta blockers - Correct Answer class II drugs Prevent catecholamine-mediated action on the heart, blocks sympathetic nervous system cardiac effects (no effect on AP, decreases sympathetic tone) - Correct Answer Class II Drugs (Beta Blockers) increase AP duration by increasing refractoriness but do not affect conduction velocity - Correct Answer `class III drugs 1 / 2
calcium channel blockers (primarily affecting SA and AV nodes) - Correct Answer class IV drugs digitalis agents that are used to increase parasympathetic activity - Correct Answer Class V drugs procainamide, disopyrimidine, quinidine - Correct Answer Class IA drug examples Lidocaine Mexiletine - Correct Answer Class IB drug examples Flecainide, Propafenone, Encainide - Correct Answer Class IC drug examples propanolol, metoprolol, atenolol, esmolol - Correct Answer Class II antiarrhythmic drug examples (beta blockers) amiodarone, ibutilide, sotolol, dofetilide - Correct Answer class III drug examples Verapamil, Diltiazem - Correct Answer Class IV drug examples what is the ratio that heparin and protamine counteract eachother? - Correct Answer 1:1 (10 mg/1000 units) INR needed for heparinizing a left sided case - Correct Answer 2.0-3.0 what part of the coagulation cascade does heparin block? - Correct Answer prothrombin to thrombin when is heparin usually administered during a case requiring a transeptal puncture? - Correct Answer after gaining venous access what can happen if procainamide is administered too quickly? - Correct Answer hypotension why discontinue Xarelto and Dabigatran (two anticlotting medications) prior to AF procedure? - Correct Answer no known reversal agents
- / 2