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Health  Elevated AST, CK, AlkP    My son is 9 years old. We took
him in to the pedi on Wednesday because he was having pain in
his legs and trouble walking. 4 days prior we had completed a
strenuous hike to the top of a waterfall and that night he had a
fever of 102 and a headache. He was sick for two more days with
fever, headache, cough, minor sore throat. He returned to school
the day before we took him to the doctor and had an "exercise
test" in PE in which he had to run and do pull-ups, etc.  At the
doctor`s office, lab work revealed a highly elevated creatine
kinase, total, serum of 3663 and AST of 164 with BUN/Creatinite
Ratio of 35.  Two days later I took him back and requested that
additional lab work be done. His CK had lowered to 987, AST to
119. His AlkP was 160.  Could these lab results be due to the
excessive exercise he had done with the hiking and PE test. The
PE te