text_1: 12-year-old boy on Ritalin has an elevated alkaline phosphatase (approximately 360 with normal 30 to 325) and phosphorus (approximately 6.0 with normal 2.3 to 4.6).  I'm not sure if Ritalin can cause that or what can cause it.
text_2: Should we do a head CT (computerized tomography) with contrast tomorrow (Saturday) or MRI (magnetic resonance imaging) Monday?