| RAS | renin–angiotensin system |
| RCCA | right common carotid artery |
| RBIF | right carotid bifurcation |
| CIMT | carotid intima-media thickness |
| AT1R | angiotensin II type 1 receptor |
| AT2R | angiotensin II type 2 receptor |
| ACE1 | angiotensin-converting enzyme 1 |
| ACE2 | angiotensin-converting enzyme 2 |
| NEP | neprilysin |
| PEP | prolyl endopeptidase |
| ANP | atrial natriuretic peptide |