| bpm | beats per minute |
| Ca2+ | calcium ion |
| CO | cardiac output |
| dP/dtmax | maximum rate of pressure rise |
| dP/dtmin | maximum rate of pressure decline |
| Ea | effective aortic elastance |
| EC50 | half-maximal effective concentration |
| EDP | end-diastolic pressure |
| EDV | end-diastolic volume |
| EF | ejection fraction |
| ESP | end-systolic pressure |
| ESV | end-systolic volume |
| GPCR | G protein-coupled receptor |
| HEPES | 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid |
| HR | heart rate |
| IC1/IC100 | internal circumference ratio used for vessel normalization |
| K+ | potassium ion |
| ns | non-significant |
| PAR | proteinase-activated receptor |
| PAR-AP | PAR-activating peptide |
| PAR1 | proteinase-activated receptor-1 |
| PAR2 | proteinase-activated receptor-2 |
| PAR4 | proteinase-activated receptor-4 |
| PAR2−/− | PAR2-deficient |
| Pmax | maximal ventricular pressure |
| Pmin | minimal ventricular pressure |
| PSS | physiological salts solution |
| PV | pressure–volume |
| RCA | right carotid artery |
| SV | stroke volume |
| SW | stroke work |
| tcLIGRLO | trans-cinnamoyl-Leu-Ile-Gly-Arg-Leu-Orn-amide |
| VSM | vascular smooth muscle |
| WT | wild-type |
| YM-254890 | selective Gq inhibitor |
| τ | time constant of isovolumetric relaxation |
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