Hi,, my sister is 21 years old with previous treatment in a main artery ,complaining from lower back pain knee pain ,,fatigue ,,breath problems.,,,advised to makr ESR ASOT CRP results wer ESR 1HR 25 ESR 2HR 45 THESE ARE 3 TIMES THE NORMAL---ASOT was 450 2 times the normal ---finally -ve CRP DOES she had arheumatic fever or what?? THANK YOU IN ADVANCE