fbd892b8_n_between_2D_and_3D___Wikiecho__Limitations
[Advantages] 3DE provides a unique and reliable quantitation of right ventricular volume by echocardiography, both in healthy subjects and in patients [Limitations] 
Right ventricle has an unfavorable position within the chest for transthoracic 3D transducers and severely dilated right ventricles are often difficult to encompass in a pyramidal 3D data set
Comparison between 2D and 3D - Wikiecho
Limitations