What are the causes of arterial and venous thrombosis?

Causes of arterial and venous thrombosis (concurrently):

• Paroxysmal nocturnal haemoglobinuria (PNH)
• Paradoxical emboli
• Myeloproliferative disorders
• Homocystinuria
• Sickle cell anaemia 

Source:

• Kumar & Clark’s Clinical Medicine 9e (2016); page: 1408 and 2450