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Category: Cardiology--->Arrythmias
Page: 17

Question 81#Print Question

Which of the following statements regarding flecainide as a treatment of AFib is true?

A. It may contribute to an increase in the digoxin level
B. It may be used without an AV nodal blocking agent because of its potent effect on the AV conduction system
C. It has been shown to be effective and safe for use in patients with hypertrophic cardiomyopathy
D. It has no effect on the acute conversion of AFib but only on maintenance of sinus rhythm postcardioversion
E. It is used for the treatment of AFib but not atrial flutter


Question 82#Print Question

Which of the following mechanisms is responsible for AFib occurring in the immediate postoperative period after a maze procedure?

A. Change in the atrial refractory period as a result of the surgical manipulation
B. Autonomic imbalance as a result of the surgical intervention
C. Misplacement of a suture line
D. An incomplete or omitted suture line
E. Inhibition of atrial natriuretic peptide secretion as a result of the surgical manipulation


Question 83#Print Question

The following tachycardia was induced during EP testing of a 36-year-old woman with recurrent palpitations (Fig. below).

Which of the following is the most likely diagnosis?

A. AVNRT
B. Orthodromic reentrant tachycardia
C. Antidromic reentrant tachycardia
D. VT
E. Idiopathic left VT




Category: Cardiology--->Arrythmias
Page: 17 of 17