Eight months after prosthetic valve replacement, most common organism causing infective endocarditis is:
Ans. (a) Staph. epidermidis Coagulase negative staphylococci is the most common cause of endocarditis in posthetic value recepients with in one year of surgery.
Staph. epidermidis
Strep. viridans
Staph. aureus
HACEK