text_1: 18-year-old male with hematuria.  The question was how to interpret the antistreptolysin O (ASO) titer results.  He was worried about acute glomerulonephritis in this patient.  The antistreptolysin O titer on this patient was elevated.
text_2: 18-year-old male, hematuria. How do I interpret this elevated antistreptolysin O (ASO) titer?