Most common cause of aificial hea valve infection?
Correct Answer: Staph epidermidis
Description: Ans. is 'c' i.e., Staph epidermidis Most common cause of prosthetic valve endocarditis upto 12 months is coagulase - negative staphylococci (staph. epidermidis). Most common causes of infective endocarditis In native wall - Staphylococcus aureus. In early prosthetic valve (up to 12 months after valve surgery) - Staphylococcus epidermidis (coagulase negative staphylococcus). In late prosthetic valve (more than 12 months after valve surgery) - streptococcus viridans. In IV drug abusers - Staphylococcus aureus. In patients with intravenous catheter - coagulase negative staphylococci. After dental procedure (tooth extraction) - streptococcus mutans.
Category:
Microbiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now