Medicine The coagulation profile in a 13-year old girl with Menorrhagia having Von Willebrands disease is: A Isolated prolonged PTT with a normal PT B Isolated prolonged PT with a normal PTT C Prolongation of both PT and PTT D Prolongation of thrombin time π‘ Explanation The coagulation profile in a 13-year old girl with Menorrhagia having Von Willebrands disease is: β Correct Answer: A. Isolated prolonged PTT with a normal PT