 In our study all patients schedueld to receive an nueraxial anesthesia for non-obstetric surgery will be included.The investigator will request permission from the Helsinki committee of hadassah university hospital.Patients will be requesting for surgery and will be randomized to one of two study groups.One group will be passed neuraxial anesthesia on the standart technique and the secound group will be passed neuraxial anesthesia with the help of ultrasound. 