Our latest case report from Dr. Brady Pregerson features a 20 y/o female brought to the emergency department by EMS for altered mental status. Check out the EKG and see if you can determine the diagnosis.
History: A 20-year-old female is brought to the emergency department by EMS for altered mental status. Her roommate found her lethargic in bed with the lights and music on and an empty bottle of vodka near her bedside. Medics state that the roommate told them she has a history of depression and just broke up with her girlfriend. She hadn’t seemed physically ill in the past few days but had been complaining of a headache.
Exam: Vital signs are normal except for borderline tachycardia. On exam, she is lethargic with slurred speech to painful stimuli. Pupils are equal and react although a bit sluggishly. She has no obvious focal deficits but is unable to cooperate with the neurologic exam.
An EKG is performed:
What is the most likely cause of the EKG findings?