ECG AND ULTRASONIC FINDINGS OF MYOCARDIAL LESIONS CAUSED BY LYMPHOID LEUKOSIS IN A DOG

Significant swelling of regional lymph nodes, enlargement of liver and spleen were found by physical examination in an 11 years old Hungaria n vizsla male dog. The examination of blood revealed leukocytosis, inc reased LDH and CK values. Bigemina and trigemina rhythm, as well as pa roxysmal ventricular tachycardia were diagnosed by EKG (Figs 1 and 2). Left atrial and left ventricular dilatation were observed during the echocardiographic examination (Fig 3). Lymphoid leukosis was diagnosed during both the gross- and histopathological investigations followed the extermination of the dog. Leukosis tissue proliferation developed diffuse in the right atrium and circumscribed in the left ventriculum were in the background of the observed severe cardiologic alterations.