Table 3. Conditions associated with increased risk of ALI.

Factor	Likely thrombotic/embolic cause
Preexisting PAD	Both
Aortic or popliteal aneurysm	Both
Cardiac condition: recent MI, atrial fibrillation, mitral or aortic valve disease, right-to-left shunt	Embolus
Thrombophilia/thrombocytosis	Thrombus
Past arterial/venous thrombosis	Thrombus
Malignancy	Thrombus
Severe dehydration	Thrombus

Abbreviation: PAD, peripheral arterial disease.