Question

the etiological associated microbial agent that is most often associated with the development of subacute bacterial endocarditis in a previously damaged heart valve?
staphylococcus epidermidis
streptococcus viridans
pseudomonas aeruginosa
eschericha coli

Explanation:

Streptococcus viridans is a common cause of subacute bacterial endocarditis in previously damaged heart valves. Staphylococcus epidermidis is more associated with prosthetic valve endocarditis. Pseudomonas aeruginosa and Escherichia coli are less typical causes of subacute bacterial endocarditis in this context.

Answer:

Streptococcus viridans