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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following is the most dreaded complication of Kawasaki's disease?
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The correct answer is  Kawasaki disease is an acute febrile, usually self-limited illness of infancy and childhood (80% of patients are 4years old or younger); it is associated with an aeritis affecting large to medium-sized, and even small vessels. Its clinical significance stems primarily from a predilection for coronary aery involvement that can cause aneurysms that rupture or thrombose, resulting in acute myocardial infarctions.