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 Causative organism of late prosthetic valve endocarditis is : and explain in detail?
Ans. is 'a' i.e. Streptococcus Viridans Prosthetic valve endocarditis is of two typesEarly onset endocarditis - onset of symptoms within 60 days of surgery.Late onset endocarditis - onset of symptoms after 60 days of surgeryMC Organism causing - Early onset endocarditis - Staph epidermidis* Late onset endocarditis - Streptococci (Includes viridans streptococci, streptococcus bovis, other non-group A streptococci)But this classification into late and early onset endocarditis is outdated (Note, that the question belongs to the time when this classification was in use)Harrison 15/e divides Prosthetic valve endocarditis into :less than 2 month2-12 monthsMore 12 months after surgeryMC organisms causing prosthetic valve endocarditis according to Harrison 15/e -less than 2 month - Coagulase-negative staphylococci (Staph, epidermidis is a coagulas negative staphylococci)2-12 month - Same as in less than 2 monthmore than 12 months - Streptococci (includes viridans streptococci, streptococcus bovis, other non-group A streptococci)