21-Year-Old Male With Transient Abnormal ECG
A 21-year-old white male presented to the emergency department after ingesting excessive alcohol in combination with bupropion, which he takes for depression. He is a recreational athlete. He has no other medical problems and is unable to provide a family history. He denied any history of palpitations or syncope. An ECG was obtained on admission:
Another ECG was obtained 12 hours later:
Which of the following is the correct diagnosis?