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An unconscious 35-year-old man is brought to the emergency department by his wife. She explains that the patient takes phenytoin for chronic epilepsy. An hour ago, the patient had a seizure but did not regain consciousness. Physical examination reveals that his temperature is 38.5 C (101.3 F), blood pressure is 92/40 mm Hg, pulse is 110/min, and respirations are 20/min. During the examination, the physician observes the sudden onset of tonic-clonic convulsions. Which of the following is the most common precipitating cause of this emergency?
(A) Alcohol withdrawal
(B) Drug noncompliance
(C) Head trauma
(D) Hypoxia
(E) Intracranial infection
(F) Intracranial tumor
(G) Metabolic alterations
An unconscious 35-year-old man is brought to the emergency department by his wife. She explains that the patient takes phenytoin for chronic epilepsy. An hour ago, the patient had a seizure but did not regain consciousness. Physical examination reveals that his temperature is 38.5 C (101.3 F), blood pressure is 92/40 mm Hg, pulse is 110/min, and respirations are 20/min. During the examination, the physician observes the sudden onset of tonic-clonic convulsions. Which of the following is the most common precipitating cause of this emergency?
(A) Alcohol withdrawal
(B) Drug noncompliance
(C) Head trauma
(D) Hypoxia
(E) Intracranial infection
(F) Intracranial tumor
(G) Metabolic alterations
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