14 - Atrial Fibrillation Mcqs

Question 1
Which of these is not a type of atrial fibrillation?
Paroxysmal atrial fibrillation
Lone atrial fibrillation
Persistent atrial fibrillation
Combined atrial fibrillation-------------

Question 2
Which of these is a feature of atrial fibrillation?
Presence of “p” wave on electrocardiogram
Absence of “p” wave on electrocardiogram----------------
“p” wave of differing morphology on electrocardiogram
None of the above

Question 3
Which of these is not a risk factor for atrial fibrillation?
Hypertension
Diabetes
Hypothyroidism---------------
Congestive cardiac failure

Question 4
Strongest risk factor for stroke in patients with atrial fibrillation is:
Irregular atrial rhythm
Increased ventricular rate
Lack of anticoagulation----------
None of the above

Question 5
The management of atrial fibrillation involves which of the following objectives?
Rate control
Correction of rhythm disturbance
Prevention of thromboembolism
All of the above----------------

Question 6
In patients who have self-limited episodes of atrial fibrillation (AF), antiarrhythmic drugs are unnecessary to prevent recurrence unless AF is associated with severe symptoms related to:
Hypotension
Myocardial Ischemia
Heart failure
Any of the above-------------

Question 7
Which of these drugs should be used unless contraindicated in all patients to prevent postoperative atrial fibrillation during cardiac surgery?
Flecainide
Procainanide
Propafenone
Beta blockers----------------

Question 8
Which of the following drugs should not be used in patients with atrial fibrillation with acute myocardial infarction?
Amiodarone
Propanolol
Propafenone------------
None of the above

Question 9
Antiarrhythmic drug that can be used in patients of atrial fibrillation with heart failure is:
Amiodarone-----------
Flecainide
Propafenone
Sotalol

Question 10
For patients with recurrent paroxysmal atrial fibrillation, with no or minimal heart disease, the recommended initial antiarrhythmic therapy is:
Flecainide
Propafenone
Sotalol
Any of the above-------------

Question 11
The recommended antithrombotic therapy for high-risk patients with atrial fibrillation is:
Warfarin---------------
Aspirin
Warfarin + Aspirin
Clopidogrel + Aspirin

Question 12
The recommended INR range for warfarin therapy in atrial fibrillation is:
2-3-------------
1.5-3
2-4
1.5-4

Question 13
Which of the following are the non-pharmacological treatments for atrial fibrillation?
Maze surgery
Radiofrequency catheter ablation
Implantable cardioverter defibrillators
All of the above------------

Question 14
Electrical cardioversion is contraindicated in patients of atrial fibrillation with:
Heart failure
Myocardial ischemia
Digitalis toxicity------------
All the above

Question 15
Which of the following patients can undergo cardioversion without prior anticoagulation?
Atrial fibrillation lessthan 48
Atrial fibrillation lessthan72
Atrial fibrillation lessthan96
Atrial fibrillation lessthan7