Atrial Fibrillation Exam Questions with Verified Solutions (Latest Update ) Already Passed

Atrial Fibrillation Exam Questions with Verified Solutions (Latest Update ) Already Passed What is AFFIRM trial and conclusion - Answers Rate vs rhythm control Equally effective for mortality but rhythm control linked to more ADR & hospitilizations New onset AF initial assessment - Answers Unstable - urgent cardioversion Stable - ventricular rate control, anticoagulation, treatment assessment Rate or rhythm control for permanent AF - Answers Rate Attempt restoration of NSR - Answers AF<48h - anti arrhythmic and/or DCC then rhythm control AF>48h - TEE guided cardio version or 3 weeks anticoagulation then rhythm control How can AF affect cardiac structure - Answers Tachycardia induced atrial cardiomyopathy When is DCC appropriate - Answers Symptomatic but well controlled HR Acute rate control options - Answers IV metoprolol, diltiazem or digoxin IV to PO lopressor conversion - Answers 1:2.5 Calculate total daily dose and divide by q6h Digoxin onset and when to use - Answers More than 2 hours Low BP or HF Is amiodarone for rate or rhythm - Answers Both but mostly rhythm Goal of rate control - Answers Maintain HR < 80 BPM When and how to give anticoagulation - Answers Rate or rhythm control although less likely with rhythm control Give as therapeutic dose for any anticoagulant Who gets rhythm control - Answers First AF or lone AF in young pt Symptomatic despite rate control High bleed risk How long does clot take to form in AF - Answers 48h How long to anticoagulant after cardioversion - Answers 4 weeks, most likely time period for recurrent AF Rhythm control problems - Answers All have risk of ventricular arrhythmia Poor efficacy Hella SE Pill-in-pocket options - Answers Propafenone & flecainide as small oral loading doses Meds to convert to NSR - Answers Flecainide Propafenone IV Ibutilide Amiodarone Procainamide Meds to maintain NSR - Answers Amiodarone Dronedarone Dofetilide Sotalol