You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 57-year-old man with MI is admitted in cardiac emergency. Which of the following drug might cause unexpected results based on CYP2C19 genotype of patient? and explain in detail?
CYP 2C19 shows pharmacogenetic variations. Some people are poor metabolizers and others extensive metabolizers Clopidogrel, a platelet inhibitor, is a prodrug that is metabolized by CYP2C19 to active form. Poor metabolizers cause inadequate platelet inhibition, Extensive metabolizers may result in bleeding. Prasugrel, warfarin and ticagrelor do not require CYP 2C19 activation.