AssessmentsLong QT syndrome and Torsade de pointes
Long QT syndrome and Torsade de pointes
USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 26-year-old woman comes to the emergency department after fainting at work and hitting her head. She is conscious, alert, and in pain as she sustained a deep laceration above her right orbit. When asked about prior fainting episodes, she says that she has had them since childhood, but she felt it was "nothing serious". She also says she has frequent palpitations, shortness of breath, nausea, and at times, chest pain and attributes this to "working too hard." Physical examination shows tachycardia and mild hypotension. The patient's electrocardiogram is obtained. Which of the following drugs is the best choice for first line treatment of the patient's condition?