Clinical findings and coronary artery disease in dogs and cats with acute and subacute myocardial necrosis: 28 cases

Records of final diagnoses based on necropsies performed on dogs and cats over a 4.5-year period at a university teaching hospital were examined for the diagnosis of acute or subacute myocardial necrosis. Clinical findings signaling the occurrence of myocardial necrosis were often not specific, due to simultaneously occurring disease processes. However, of 28 animals identified, dyspnea occurred frequently (17/28; 61%) and in some cases in the presence of minimal pulmonary pathology (2/3; 66%) or otherwise unexplained pulmonary edema (4/4; 100%). Elevations in serum aspartate aminotransferase (10/10; 100%) and creatine kinase (5/9; 55%) were also frequent. Disease processes associated with thrombus formation were present for each case in which a coronary artery thrombus occurred (5/28; 18%).

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