200
These are all the potential causes of thrombosis listed on your sheet.
What are superior vena cava syndrome, peripheral arterial disease, Nonocclusive mesenteric ischemia, Acute mesenteric ischemia, Renovascular hypertension, atherosclerosis, artificial valve, Nonbacterial Thrombotic endocarditis,Infective endocarditis,Fungal endocarditis, Ischemic Heart Disease, stents.
To summarize: Ischemia, Implants, Endocarditis, SVS, PAD, Atherosclerosis, Hypertension
the SHAPE II (that's a free mneumonics)