Systemic shock (especially if associated with chronic occlusive disease)
Phlegmasia cerulea dolens
Acute compressive neuropathy
Arterial trauma
Aortic/arterial dissection
Arteritis with thrombosis (e.g. giant cell arteritis, thromboangiitis obliterans)
HIV arteriopathy
Spontaneous thrombosis associated with a hypercoagulable state
Popliteal adventitial cyst with thrombosis
Popliteal entrapment with thrombosis
Vasospasm with thrombosis (e.g. ergotism)
Compartment syndrome
Thrombosis of an atherosclerotic stenosed artery
Thrombosis of an arterial bypass graft
Embolism from heart, aneurysm, plaque or critical stenosis upstream (including cholesterol or atherothrombotic emboli secondary to endovascular procedures)
Thrombosed aneurysm with or without embolization