A girl child came with complaints of involuntary movements was diagnosed as a case of Syndenham's chorea, suggestive of a diagnosis of acute rheumatic fever. There is no complaint of carditis or ahritis. Throat culture is negative. Which of the following will most likely suggest recent streptococcal infection?: (A) ASLO, (B) Antistreptolysin S, (C) PCR for M protein, (D) Anti-hyaluronidase
Answer is A. Ans. a. ASLO