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Our latest case report from Brady Pregerson, MD, features a woman in her 20s presenting with dyspnea and palpitations followed by a syncopal episode. Check out the EKG and see if you can determine the correct diagnosis.
History: A woman in her 20s presents to the emergency department with dyspnea and palpitations followed by a syncopal episode. She denies chest pain, fever, cough, injury from the fall, or other complaints. She denies any significant past medical history.
Exam: Vital signs are normal except for a pulse around 130 and a BP around 105
EKG is Done:
What is the most likely diagnosis?