Common Arterial Trunk in a 3-Day-Old Alpaca Cria

Figure 2

Two-dimensional echocardiographic images. (a) Right parasternal long axis view. Note the truncus arteriosus overriding the ventricular septal defect (star). (b) Right parasternal short axis view at the level of the heart base. Note the ventricular septal defect (star), atrial septal defect (asterisk), and lack of an obvious right ventricular outflow tract. LA, left atrium; RA, right atrium; RV, right ventricle; TA, truncus arteriosus.

(a)

(b)