Studies of congenital cardiac abnormalities and vascular malformations, as well as their breed predispositions in domestic animals, have significantly increased recently. The purpose of this case report is to present to vets the Eisenmenger syndrome in combination with a vascular malformation in a Pomeranian, which is extremely interesting for the teratology of the dog. Radiography was performed and therapy was assigned, but a quick fatal outcome followed. Then the patient underwent a

more »

... al anatomy examination with precise macro-dissection. We hope that thorough this message we will draw attention to different severe congenital heart abnormalities in toy breeds and their early diagnosis.