  This is a 16-year-old white female who presents here to the emergency department in a private auto with her mother for evaluation of headache.  She indicates intense constant right frontal headache, persistent since onset early on Monday, now more than 48 hours ago.  Indicates pressure type of discomfort with throbbing component.  It is as high as a 9 on a 0 to 10 scale of intensity.  She denies having had similar discomfort in the past.  Denies any trauma.