Core Measures are a national quality initiative mandated by CMS and TJC to monitor hospital clinical processes and recommended care. Results are published on the CMS website and used for reimbursement and contract negotiations. Measures include AMI, SCIP, VTE, and immunization and focus on topics like fibrinolytic therapy within 30 minutes and controlling postoperative blood glucose. Hospitals must meet inclusion/exclusion criteria and pass random validation to avoid penalties.