Mean Dimensions (zValue = 0) of Normal Cardiovascular Structures in Newborns, Children, and Young Adults

Cardiovascular StructureNewbornChild (6 y old)Adult
Aortic valve diameter, mm71422
Pulmonary valve diameter, mm81626
Mitral valve diameter, mm101928
Aortic root diameter, mm101530
Right pulmonary artery diameter, mm61218
Left ventricular diastolic volume, mL1050150
  • Data were derived from refs 2 and 3.