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Review Question - QID 212667

Multifocal Atrial Tachycardia Differential Premature atrial contractions QID: 212667 (M2.OMB.19.18)
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QID 212667 (Type "212667" in App Search)
A 27-year-old man presents to the emergency department with a sensation of fluttering in his chest. He has had these symptoms intermittently in the past, but states that this time his symptoms have been persistent. He is currently studying for exams and has been drinking roughly 10 cups of coffee per day. His temperature is 98°F (36.7°C), blood pressure is 115/60 mmHg, pulse is 124/min, respirations are 14/min, and oxygen saturation is 99% on room air. Physical exam is only notable for tachycardia. An electrocardiogram (ECG) is obtained as seen in Figure A. Which of the following is the most likely diagnosis?
  • A
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  • A