Atrial Fibrillation || 100% Errorless Answers.
Risk Factors for A-Fib correct answers Age
Male
Heart Failure
Diabetes
Coronary Artery Disease
Hyperthyroidism
Obesity
What can A-Fib lead to? correct answers Blood isn't being pumped out the heart which can lead
to stasis and clot formation leading to stroke
What should patients with atrial fibrillation associated with a mechanical valve, a bioprosthetic
valve, prior mitral valve repair, or mitral stenosis take? correct answers Warfarin 2-5 mg once
daily
What must be monitored with Warfarin correct answers INR
What is the reversal agent for Warfarin correct answers Vitamin K
What are some of the draw backs of Warfarin? correct answers Must monitor INR
Dietary Restrictions
What can patients with nonvalvular atrial fibrillation use? correct answers Dabigatran etexilate,
Rivaroxaban
Apixaban
Does dabigatran, rivaroxaban, or apixaban require INR monitoring or dietary restrictions?
correct answers No
Dabigatran (Pradaxa) correct answers MOA: Direct thrombin Inhibitor
Dose: 150mg BID
Dose adjustment for renal impairment
Apixaban (Eliquis) correct answers MOA: Direct factor 10a inhibitor
Dose: 5mg BID
Dose adjustment for renal impairment
Rivaroxaban (Xarelto) correct answers MOA: Direct factor 10a inhibitor
Dose: 5mg BID
Dose adjustment for renal impairment
Rate Control Agents correct answers BB
CCB
Amiodarone
, Digoxin
Esmolol (Brevibloc) correct answers IV: 500 mcg/kg bolus over 1 min, then 50-300 mcg/kg/min;
titrate to desired effect
Metoprolol (Lopressor) correct answers IV: 2.5-5 mg over 2 min
Diltiazem (Cardizem LA correct answers PO: 120-360 mg once daily or divided TID or QID
IV: 0.25 mg/kg bolus over 2 min, then 5-15 mg/hr
Verapamil correct answers PO: 120-480 mg once daily or divided TID or QID
IV: 0.075 -0.15 mg/kg bolus 2 min (max 20 mg) then 0.005 mg/kg min
When to use CCB? correct answers When patient has COPD or Asthma or high pulse rate
Amiodarone (Cordarone) correct answers PO: 100-200 mg once/d A
IV: 300 mg over 1 hr, then 10-50 mg/h over 24 hrs
Digoxin correct answers PO: 0.125-0.25 mg once/d B
IV loading: 0.25 mg (max 1.5 mg in 24 hrs)
Rhythm Control Agents correct answers Amiodarone
Disopyramide
Dofetilide
Dronedarone
Flecainide
Propafenone
Sotalol
What is preferred for patients with coronary disease or systolic dysfunction. correct answers Beta
Blockers
What may be preferred over beta-blockers in patients with COPD or asthma correct answers
CCB
A 72-year-old man with nonvalvular atrial fibrillation and a CHA2DS2-VASc score of 2 asks
you whether or not he needs to be on anticoagulant therapy. Considering the new US guidelines,
which
of the following would you recommend? correct answers Oral anticoagulation therapy
Which of the following oral anticoagulants is recommended for patients with atrial fibrillation
associated with a mechanical valve, a bioprosthetic valve, prior mitral valve repair, or mitral
stenosis? correct answers Warfarin
Risk Factors for A-Fib correct answers Age
Male
Heart Failure
Diabetes
Coronary Artery Disease
Hyperthyroidism
Obesity
What can A-Fib lead to? correct answers Blood isn't being pumped out the heart which can lead
to stasis and clot formation leading to stroke
What should patients with atrial fibrillation associated with a mechanical valve, a bioprosthetic
valve, prior mitral valve repair, or mitral stenosis take? correct answers Warfarin 2-5 mg once
daily
What must be monitored with Warfarin correct answers INR
What is the reversal agent for Warfarin correct answers Vitamin K
What are some of the draw backs of Warfarin? correct answers Must monitor INR
Dietary Restrictions
What can patients with nonvalvular atrial fibrillation use? correct answers Dabigatran etexilate,
Rivaroxaban
Apixaban
Does dabigatran, rivaroxaban, or apixaban require INR monitoring or dietary restrictions?
correct answers No
Dabigatran (Pradaxa) correct answers MOA: Direct thrombin Inhibitor
Dose: 150mg BID
Dose adjustment for renal impairment
Apixaban (Eliquis) correct answers MOA: Direct factor 10a inhibitor
Dose: 5mg BID
Dose adjustment for renal impairment
Rivaroxaban (Xarelto) correct answers MOA: Direct factor 10a inhibitor
Dose: 5mg BID
Dose adjustment for renal impairment
Rate Control Agents correct answers BB
CCB
Amiodarone
, Digoxin
Esmolol (Brevibloc) correct answers IV: 500 mcg/kg bolus over 1 min, then 50-300 mcg/kg/min;
titrate to desired effect
Metoprolol (Lopressor) correct answers IV: 2.5-5 mg over 2 min
Diltiazem (Cardizem LA correct answers PO: 120-360 mg once daily or divided TID or QID
IV: 0.25 mg/kg bolus over 2 min, then 5-15 mg/hr
Verapamil correct answers PO: 120-480 mg once daily or divided TID or QID
IV: 0.075 -0.15 mg/kg bolus 2 min (max 20 mg) then 0.005 mg/kg min
When to use CCB? correct answers When patient has COPD or Asthma or high pulse rate
Amiodarone (Cordarone) correct answers PO: 100-200 mg once/d A
IV: 300 mg over 1 hr, then 10-50 mg/h over 24 hrs
Digoxin correct answers PO: 0.125-0.25 mg once/d B
IV loading: 0.25 mg (max 1.5 mg in 24 hrs)
Rhythm Control Agents correct answers Amiodarone
Disopyramide
Dofetilide
Dronedarone
Flecainide
Propafenone
Sotalol
What is preferred for patients with coronary disease or systolic dysfunction. correct answers Beta
Blockers
What may be preferred over beta-blockers in patients with COPD or asthma correct answers
CCB
A 72-year-old man with nonvalvular atrial fibrillation and a CHA2DS2-VASc score of 2 asks
you whether or not he needs to be on anticoagulant therapy. Considering the new US guidelines,
which
of the following would you recommend? correct answers Oral anticoagulation therapy
Which of the following oral anticoagulants is recommended for patients with atrial fibrillation
associated with a mechanical valve, a bioprosthetic valve, prior mitral valve repair, or mitral
stenosis? correct answers Warfarin
