mrcem2-0843

mrcem2-0843

A 45-year-old man presents with a history of heavy menstrual bleeding and frequent nosebleeds. He is currently taking a medication but cannot remember its name or why he takes it. You have ordered a series of blood tests for him. The results are as follows:

Hemoglobin (Hb): 12.2 g/dL (normal range: 12-15 g/dL)
Mean Corpuscular Volume (MCV): 82 fl (normal range: 80-100 fl)
Platelet count: 212 x 10^9/L (normal range: 150-400 x 10^9/L)
Bleeding time: 11 minutes (normal range: 2-7 minutes)
Prothrombin time: 12 seconds (normal range: 10-14 seconds)
Thrombin time: 17 seconds (normal range: 15-19 seconds)
Activated Partial Thromboplastin Time (APTT): 60 seconds (normal range: 35-45 seconds)

Based on these results, what is the most likely diagnosis for this patient?