blood pressure measurement central venous pressure CVP VT:2000002 clinical_measurement_ontology 2021-02-08T17:38:55Z CMO:0003657 slaulede PMID:22258067 CVP (central venous pressure) is the pressure in the thoracic vena cava near the right atrium (therefore, CVP and right atrial pressure are essentially the same). Central venous pressure is an important concept in clinical cardiology because it is a major determinant of the filling pressure and therefore the preload of the right ventricle.