,HISTORY OF PRESENT ILLNESS: , The patient is a 25-year-old right-handed Caucasian female who presented to the emergency department with sudden onset of headache occurring at approximately 11 a.m. on the morning of the July 31, 2008. 
,HISTORY OF PRESENT ILLNESS : , The patient is a 25 - year - old right - handed Caucasian female who presented to the emergency department with sudden onset of headache occurring at approximately 11 a.m. on the morning of the July 31 , 2008 .