Assertion: ejection | /r/HasProperty | preceded by the time
Facets:
Source sentences:
text: The ejection of blood begins after closure of the AV or atrioventricular (mitral and tricuspid) valves and is preceded by the time it takes for the ventricular pressures to sufficiently exceed the aortic and pulmonary diastolic pressure and force open the aortic and pulmonary valves.