Effects of mitral valve regurgitation in the dog on the right ventricle

摘要: Introduction. Mitral regurgitation (MR) in dogs is characterised on radiographs by increasing size of the heart, called “general heart enlargement.” The appearance suggests that right chambers may be enlarged, but there no agreement this, or if present, its cause. Concurrent enlargement chambers in MR would have to explained pathophysiologic mechanisms might affect prognosis and treatment.