#october2020mccqe1
A 68-year-old man comes to the emergency department because of a 5-hour history of palpitations and light-headedness. He states that he has experienced shorter episodes of palpitations before, but nothing so severe. After admission to the hospital, the patient receives a full cardiac work-up and is diagnosed with rapid atrial fibrillation, most likely secondary to a moderately stenosed mitral valve. Medical treatment to convert him to sinus rhythm is unsuccessful. However, his heart rate is well controlled with various atrioventricular node blocking agents. The patient is prescribed a regimen of daily medications including drugs to control potentially disastrous complications of atrial fibrillation. Which of the following drugs is most likely prescribed long-term to prevent such complications?
(A) Aspirin
(B) Protamine sulfate
(C) Streptokinase
(D) Unfractionated heparin
(E) Warfarin
A 68-year-old man comes to the emergency department because of a 5-hour history of palpitations and light-headedness. He states that he has experienced shorter episodes of palpitations before, but nothing so severe. After admission to the hospital, the patient receives a full cardiac work-up and is diagnosed with rapid atrial fibrillation, most likely secondary to a moderately stenosed mitral valve. Medical treatment to convert him to sinus rhythm is unsuccessful. However, his heart rate is well controlled with various atrioventricular node blocking agents. The patient is prescribed a regimen of daily medications including drugs to control potentially disastrous complications of atrial fibrillation. Which of the following drugs is most likely prescribed long-term to prevent such complications?
(A) Aspirin
(B) Protamine sulfate
(C) Streptokinase
(D) Unfractionated heparin
(E) Warfarin
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