[Answered]: A 60-year-old woman was admitted to the emergency…

A 60-year-old woman was admitted to the emergency room with hemorrhage into the right arm and right breast. No previous history of bleeding or medication was indicated. Lab data upon admission were: TEST PATIENT RESULTS REFERENCE RANGE PT 12.0 sec 10-14 sec aPTT 58.0 sec 23-33 sec Fibrinogen 400 mg/dL 160-450 mg/dL aPTT 1:1 mix(pre-incub) 40.0 sec aPTT 1:1 mix(post-incub) 57.0 sec What is a possible diagnosis? What further testing must be performed to confirm diagnosis?