Francisco A. Durazo, MD, FACP

You see a 48-year-old white man for his annual examination. . The patient is overweight with a body mass index (BMI) of 32. A screening chemistry panel is normal except for an aspartate aminotransferase (AST, formerly SGOT) level of 85 U/L (normal 15-50 U/L) and an alanine aminotransferase (ALT, formerly SGPT) level of 98 U/L (normal 5-50 U/L). He says you are the first doctor he has seen in more than 10 years and does not recall the last time he had a blood test.