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 Least common valve involved in rheumatic fever? and explain in detail?
Ans. is 'd' i.e., Pulmonary valve Endocarditis in rneumatic fever Mitral valve involved almost all the cases of Acute Rheumatic Fever. Almost 25% of MR is asociated with aoic regargitation. Tricuspid regurgitation is seen in 10-30% cases. Pulmonary valve involvement is never seen.