after being informed about the study and potential risks. All patients giving written consent will be randomized by double-blind manner into 2groups each one containing 15 patients.~Group 1(n =15 ):the patients will receive nimodipine (60 mg/4 hours) orally or via nasogastric tube In group 2(n =15 ): the patients will receive Oral Nimodipine (60 mg/4) will be given orally or in the gastric tube also from the first day of admission, then after the diagnosis of vasospasm is confirmed, start milrinone.
To evaluate the efficacy and safety of oral Nimodipine and IV milrinone combination therapy for management of cerebral spasm after aneurysmal subarachnoid hemorrhage.