Table 1.

The four major classes of human thrombotic disorders

Classes of thrombotic disorders	Selected examples
Atherothrombosis	Coronary artery thrombosis/myocardial infarction; ischemic stroke; mesenteric artery thrombosis; limb artery thrombosis
Deep-vein thrombosis and pulmonary embolism	Lower extremity; upper extremity; cerebral venous; abdomen
Immune-mediated thrombocytopenia and thrombosis	HIT; antiphospholipid syndrome; sepsis syndrome; thrombosis from therapeutic monoclonal antibodies; thrombotic thrombocytopenic purpura
MCCATS	Malformation, Cancer, Cardiac, Artificial surface, Trauma, Sickle cell disease

HIT is one of the immune-mediated thrombocytopenia and thrombosis disorders.

HIT, heparin-induced thrombocytopenia.