DESCRIPTION: Percentage of patients 18 years of age and older who were diagnosed with acute myocardial infarction (AMI), coronary artery bypass graft (CABG) or percutaneous coronary interventions (PCI) in the 12 months prior to the measurement period, or who had an active diagnosis of ischemic vascular disease (IVD) during the measurement period, and who had documentation of use of aspirin or another antiplatelet during the measurement period 


IMPROVEMENT NOTATION: Higher score indicates better quality 


INITIAL POPULATION: Patients 18 years of age and older with a visit during the measurement period who had an AMI, CABG, or PCI during the 12 months prior to the measurement year or who had a diagnosis of IVD overlapping the measurement year 


DENOMINATOR: Equals Initial Population 

DENOMINATOR EXCLUSIONS: Patients who had documentation of use of anticoagulant medications overlapping the measurement year DENOMINATOR EXCEPTIONS: None 


NUMERATOR:  Patients who had an active medication of aspirin or another antiplatelet during the measurement year 

NUMERATOR EXCLUSIONS: Not Applicable