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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.
user
Aspirin is used in the prophylaxis of myocardial infarction because it results in:
assistant
The correct answer is  Aspirin acts as an antiplatelet drug in MI. It inhibits cox enzyme and thus reduces the synthesis of TXA2. However it has no effect on the enzyme, thromboxane synthetase. Therefore, answer here is the inhibition of cox.