Abbreviations Used in Chapter 21
| ACC | American College of Cardiology |
| ACEI | angiotensin-converting enzyme inhibitor |
| ACS | acute coronary syndrome |
| ACTION | Acute Coronary Treatment and Intervention Outcomes Network |
| ACS | acute coronary syndrome |
| AED | automated external defibrillator |
| AF | atrial fibrillation |
| AHA | American Heart Association |
| AMA-PCPI | American Medical Association–Physician Consortium for Performance Improvement |
| AMI | acute myocardial infarction |
| ARB | angiotensin receptor blocker |
| BMI | body mass index |
| BP | blood pressure |
| CABG | coronary artery bypass grafting |
| CAD | coronary artery disease |
| CHF | congestive heart failure |
| CI | confidence interval |
| COURAGE | Clinical Outcomes Utilizing Revascularization and AGgressive drug Evaluation trial |
| CPR | cardiopulmonary resuscitation |
| CRUSADE | Can Rapid Risk Stratification of Unstable Angina Patients Suppress Adverse Outcomes With Early Implementation of the ACC/AHA Guidelines |
| D2B | Door-to-Balloon Alliance |
| DM | diabetes mellitus |
| DVT | deep vein thrombosis |
| ED | emergency department |
| EF | ejection fraction |
| EMS | emergency medical services |
| GWTG | Get With The Guidelines |
| GWTG-HF | Get With The Guidelines–Heart Failure |
| HbA1c | hemoglobin A1c |
| HF | heart failure |
| HIQR | Hospital Inpatient Quality Reporting |
| HR | hazard ratio |
| IV | intravenous |
| LDL | low-density lipoprotein |
| LV | left ventricular |
| LVEF | left ventricular ejection fraction |
| LVSD | left ventricular systolic dysfunction |
| MI | myocardial infarction |
| N/A | not available or not applicable |
| NCDR | National Cardiovascular Data Registry |
| NHANES | National Health and Nutrition Examination Survey |
| NM | not measured |
| NSTEMI | non–ST-elevation myocardial infarction |
| OR | odds ratio |
| PAD | peripheral artery disease |
| PCI | percutaneous coronary intervention |
| PINNACLE | Practice Innovation and Clinical Excellence |
| RR | relative risk |
| SBP | systolic blood pressure |
| SCD-HeFT | Sudden Cardiac Death in Heart Failure Trial |
| SD | standard deviation |
| STEMI | ST-elevation myocardial infarction |
| TAVR | transcatheter aortic valve replacement |
| tPA | tissue-type plasminogen activator |
| UFH | unfractionated heparin |
| VF | ventricular fibrillation |
| VHA | Veterans Health Administration |
| VT | ventricular tachycardia |