11-year-old boy is brought to the emergency department by ambu | Uworld | Step 1

11-year-old boy is brought to the emergency department by ambulance after he briefly lost consciousness. The patient's mother found him on the kitchen floor shaking and jerking. She believes that he was out of her sight for only a few minutes. When asked about any other abnormal behaviors, she says that her son often stares into space and does not respond to questions during these episodes. The patient has no known medical conditions or history of recent illnesses. He is afebrile with normal vital signs. The patient seems sleepy but is oriented to time and place and has no abnormalities on physical examination. Several hours later, he is alert and says that he wants to go home.