Changes

'''Urinalysis''' may show the presence of proteinuria if systemic disease is present.  

'''Urinalysis''' may show the presence of proteinuria if systemic disease is present.  

'''Radiography''' is best performed with a DV view. Signs will include left (isn't it the right heart that is enlarged, because of the backlog of the pulmonary arteria?) atrial and ventricular enlargement, pulmonary arterial enlargement, enlargement of the V. cava caudalis, congested pulmonary veins and signs of pulmonary disease.  

'''Radiography''' is best performed with a DV view. Signs will include right atrial and ventricular enlargement, pulmonary arteries enlargement, enlargement of the V. cava caudalis, congested pulmonary veins and signs of pulmonary disease.  

'''Electrocardiography''' may show the presence of right ventricular hypertrophy (deep S-waves) and signs of myocardial hypoxia (ST segment abnormalities).

'''Electrocardiography''' may show the presence of right ventricular hypertrophy (deep S-waves) and signs of myocardial hypoxia (ST segment abnormalities).