An 18-month-old baby girl presents to the emergency department (ED) with a fever.Her parents state that the patient has had a cough and rhinorrhea for the past 24 hours. She also has a decreased appetite and has been fussy. She had been afebrile until this morning, when she appeared flushed and uncomfortable and had a temperature of 40℃. In the ED, the patient begins to have generalized tonic-clonic movements of her face, neck, and extremities for 1 minute. She is conscious but drowsy immediately after the seizure. Her temperature is 40.5℃, respiratory rate is 24/min, pulse is 120/min, and blood pressure is 100/54 mmHg. Her pupils are round and equally reactive to light. Her mucous membranes are moist, and her pharynx is mildly erythematous. She is able to move her extremities spontaneously and has normal tone throughout. Kernig’s and Brudzinski’s signs are absent. The patient has no prior history of seizures.

Which of the following is the most appropriate next step in management?
(A) Acetaminophen
(B) Electroencephalogram
(C) Lumbar puncture
(D) Phenobarbital
(E) Valproic acid

這次病例的主角是一名18個(gè)月大的女?huà)?，她因?yàn)榘l(fā)熱被送到急診室。她的父母主訴她在過(guò)去24小時(shí)里一直在咳嗽和流涕，也出現(xiàn)了食欲減退和挑食的問(wèn)題。當(dāng)她出現(xiàn)面色潮紅和不適時(shí)，體溫為40攝氏度并一直驚厥至當(dāng)天早上。在急診室，患兒出現(xiàn)面部、頸部、四肢的全身強(qiáng)直-陣攣發(fā)作，并持續(xù)了1分鐘?；純涸纫庾R(shí)清醒，但是在癲癇之后立即呈嗜睡狀態(tài)。這時(shí)的生命體征是：體溫40.5攝氏度，呼吸頻率24次/分，脈搏120次/分，血壓100/54 mmHg。瞳孔等大等圓對(duì)光靈敏。她的黏膜濕潤(rùn)，眼部有輕微的紅斑。能自己以正常的幅度活動(dòng)四肢。但是患者克尼格征和布魯金斯征呈陽(yáng)性。父母沒(méi)有癲癇史。

那么接下來(lái)最恰當(dāng)?shù)闹委熓鞘裁?？?qǐng)說(shuō)出理由。
A.撲熱息痛
B.腦電圖
C.腰穿
D.苯巴比妥
E丙戊酸