Atrial Fibrillation with Heart Failure - Clinical Patient Case of the WeekTry this free Atrial Fibrillation Case Q&A courtesy of Med-Challenger.
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Try this case and test your knowledge of atrial fibrillation with heart failure.
A 76-year-old man with a left ventricular ejection fraction of 35% presents with episodes of palpitations accompanied by significant dyspnea and near syncope. The episodes occur several times a day and spontaneously terminate. His current medications include lisinopril, carvedilol, furosemide, aspirin, and atorvastatin.
Upon presentation, he has a regular pulse of 90 beats/minute and blood pressure of 110/78 mm Hg. An initial ECG showed normal rate and rhythm. His electrolyte level and renal function are normal, as is his thyroid-stimulating hormone level. The monitor shows normal sinus rhythm.
While he is being observed, the patient becomes dyspneic, dusky-colored, and lightheaded. You obtain an electrocardiogram (ECG; see Figure).
After several minutes, the patient spontaneously reverts to a sinus rhythm and his symptoms abate.
Which antiarrhythmic drug could be considered in this particular patient to maintain a sinus rhythm and thus protect the patient from arrhythmia-related near-syncope?
See the Answer:
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