Antirhy

Question 1

20.1 A 60-year-old woman had a myocardial infarction. Which of the following should be used to prevent life-threatening arrhythmias that can occur post– myocardial infarction in this patient?

Answer 1

C. Metoprolol.

Question 2

20.2 Suppression of arrhythmias resulting from a reentry focus is most likely to occur if the drug:

Answer 2

C. Converts a unidirectional block to a bidirectional
block.

Question 3

20.3 A 57-year-old man is being treated for an atrial arrhythmia. He complains of dry mouth, blurred vision, and urinary hesitancy. Which antiarrhythmic drug is he mostly like taking?

Answer 3

B. Disopyramide.

Question 4

20.4 A 58-year-old woman is being treated for chronic suppression of a ventricular arrhythmia. After 1 week of therapy, she complains about feeling severe upset stomach and heartburn. Which antiarrhythmic drug is the likely cause of these symptoms?

Answer 4

C. Mexiletine.

Question 5

20.5 A 78-year-old woman has been newly diagnosed with atrial fibrillation. She is not currently having symptoms of palpitations or fatigue. Which is appropriate to initiate for rate control as an outpatient?

Answer 5

E. Metoprolol.

Question 6

20.6 Which of the following is correct regarding digoxin when used for atrial fibrillation?

Answer 6

D. Digoxin levels of 1 to 2 ng/mL are desirable in the treatment of atrial fibrillation.

Question 7

20.7 All of the following are adverse effects of amiodarone except:

Answer 7

A. Cinchonism.

Question 8

20.8 Which arrhythmia can be treated with lidocaine?

Answer 8

D. Ventricular tachycardia.

Question 9

20.9 A clinician would like to initiate a drug for rhythm control of atrial fibrillation. Which of the following coexisting conditions would allow for initiation of flecainide?

Answer 9

A. Hypertension.

Question 10

20.10 Which statement regarding dronedarone is correct?

.

Answer 10

C. Dronedarone increases the risk of death in
patients with permanent atrial fibrillation or
symptomatic heart failure.