Official reprint from UpToDate ® www.uptodate.com ©2015 UpToDate ® Normal adult echocardiographic dimensions Aorta Sinus level ≤3.7 cm Ascending ≤3.6 cm Transverse ≤3.0 cm Descending ≤2.5 cm Left atrium Parasternal long axis ≤4.0 cm Apical 4 chamber ≤5.2 cm Left ventricle Septum 6-11 mm Inferolateral wall 6-11 mm End-diastolic dimension 5-6 cm Fractional shortening* 0.28-0.32 percent Pulmonary artery Main ≤3.0 cm Inferior vena cavae At right atrial junction <2.0 cm Coronary sinus <1.5 cm * Fractional shortening = (End-diastolic dimension - End-systolic dimension) ÷ End-diastolic dimension. Graphic 52100 Version 2.0 Normal adult echocardiographic dimensions http://www.uptodate.com/contents/image?imageKey=CARD/52100&ra... 1 of 1 7/13/2015 9:52 PM
