Two-dimensional transthoracic echocardiogram (2D TTE) from the apical 4 chamber view showing right ventricular (RV) linear dimensions and area

The area of the body and apex of the right ventricle (RV, shown in yellow) is measured by planimetry of the ventricular cavity in the apical four chamber view at end-diastole. RV linear dimensions are also measured in the apical four chamber view, at both the basal (line 1) and mid (line 2) portions of the RV.