A cluster of metabolic risk factors for cardiovascular diseases and TYPE 2 diabetes mellitus. The major components of metabolic syndrome x include excess abdominal fat; atherogenic DYSLIPIDEMIA; hypertension; hyperglycemia; insulin resistance; a proinflammatory state; and a prothrombotic (thrombosis) state. (from AHA/NHLBI/ADA Conference Proceedings, Circulation 2004; 109:551-556)