A 9 year old boy with elevation in both PT and A PTT. What is the diagnosis?: (A) Defect in extrinsic pathway, (B) Defect in intrinsic pathway, (C) Platelet function defect, (D) Defect in common pathway
Answer is D. Ans. is 'd' i.e., Defect in common pathway Defective coagulation pathway PT AM Extrinsic Increased Normal Intrinsic Normal Increased Common Increased Increased