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Fig. 2 | Acta Veterinaria Scandinavica

Fig. 2

From: Anatomic, histopathologic, and echocardiographic features in a dog with an atypical pulmonary valve stenosis with a fibrous band of tissue and a patent ductus arteriosus

Fig. 2

Post mortem anatomic and three-dimensional echocardiographic images. a Main pulmonary artery (MPA) bulge by post-stenotic dilation and patent ductus arteriosus (PDA). b Pulmonary valve viewed from the main pulmonary artery. The intermediate cusp (IC) and right cusp (RC) (white arrow) as well as the right cusp (RC) and left cusp (LC) (white arrow head) are completely fused and all pulmonary cusps are very thickened. c Pulmonary valve viewed from the right ventricle. Between the right ventricular outflow tract and the IC, adhesion by fibrous tissue (black arrow) has contributed to the IC pointing back towards the right ventricular outflow tract. Three-dimensional echocardiographic images in systole (d) and diastole (e) show limited pulmonary valve motion. Adhesion by fibrous tissue (black arrow) is observed as a structure protruding into the right ventricular outflow tract in both systole and diastole

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Acta Veterinaria Scandinavica

ISSN: 1751-0147