Pediatrics The coagulation profile in a 13 year old girl with Menorrhagia having von Willebrands disease is: A Isolated prolonged aPTT with a normal PT B Isolated prolonged PT with a normal aPTT C Prolongation of both PT and aPTT D Prolongation of thrombin time 💡 Explanation The coagulation profile in a 13 year old girl with Menorrhagia having von Willebrands disease is: ✓ Correct Answer: A. Isolated prolonged aPTT with a normal PT