| Abbreviations | Meaning |
 | SAO | Small Airway Obstruction; Splanchnic Artery Occlusion; Subvalvular Aortic Obstruction |
 | NICOLE | Nisoldipine In Coronary Artery Disease In Leuven |
 | RDPA | Right Descending Pulmonary Artery |
 | CFA | Common Femoral Artery |
 | UA | Umbilical Artery |
 | AICA | Anterior Inferior Cerebellar Artery |
 | OAT | O-acetyltransferase; Ochanomizu Aspirin Trial; Open Artery Trial; Organic Anion Transporter; Ornithine Aminotransferase |
 | SIMA | Single Internal Mammary Artery; Stenting Vs Internal Mammary Artery For Single Left Anterior Descending Arterial Lesion [trial] |
 | PAP | Pulmonary Artery Pressure (normal Mean 9-19 MmHg) |
 | PIA | Posterior Interosseous Artery |
 | RITA | Randomised Intervention Treatment Of Angina [UK]; Right Internal Thoracic Artery |
 | CAVATAS | Carotid And Vertebral Artery Transluminal Angioplasty Study |
 | HAL | Hepatic Artery Ligation |
 | PAOP | Pulmonary Artery Occlusive Pressure (a.k.a.PCWP) |
 | TRIC | Thrombolysis With Recombinant Tissue Plasminogen Activator During Instability In Coronary Artery Disease [trial]; Trachoma Inclusion Conjunctivitis [organism] |