Arterial thromboembolism (ATE) occurs when thrombus formed m one part of the circulation embohzes to a peripheral artery. Mechanical obstruction of the artery and constriction of collateral vessels from the embolic event impair blood flow to distal tissues causing ischemic neuromyopathy as well as potential reperfusion injury and gangrenous necrosis. Systemic ATE is a common complication of any type of primary or secondary cardiac disease in cats (with exception of arrhythmogenic right ventricular cardiomyopathy), and is most frequent in those with severe myocardial disease. Occasionally, ATE also occurs in cats without heart disease.
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