Review Question - QID 208934

A 4-year-old boy is brought in by his grandmother for worsening seizure activity. She reports that whenever he runs around he “suddenly drops.” She reports that his first seizure occurred one year ago. Since then, he was put on valproic acid, but the seizure activity remains unchanged. The grandmother also notes that due to her own recent fall, she could no longer care for the patient while his mother was at work, so he was enrolled in daycare. Since then, the seizure activity has increased, and the daycare facility also noted concerns over his lack of response to voice commands. Family history is significant for a cousin who died suddenly at a young age. An EEG is performed, which is unrevealing. An EKG is show in Figure A. During the physical exam, you note that the patient does not look towards the sound when you snap your fingers in his left ear. While you are documenting exam findings, a nurse walks into the room, which startles the patient and he suddenly loses consciousness. An EKG is quickly performed and is shown in Figure B. An electrolyte panel is drawn with the following findings:
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