Yоu аre dispаtched tо а residence fоr a patient with a headache. You arrive to find a 68-year-old man sitting up in a recliner in the living room; he is leaning slightly to the left. His wife reports he had a sudden headache about 1 hour ago. As you assess the patient, you notice that his speech is slurred and he is not moving his left side. You ask the patient to lift his left arm; he lifts his right instead. You also note a left-sided facial droop. A check of his vital signs shows a pulse of 100 beats/min, a blood pressure of 188/110 mm Hg, and respirations of 22 breaths/min. His past medical history includes poorly controlled diabetes and hypertension. He reports a blood glucose level of 70 mg/dL. As you prepare for transport, the patient experiences a generalized seizure.This patient appears to be suffering from a stroke and a seizure. What condition mimics a stroke and also causes a seizure?