What is your initial management approach to suspected coagulase negative Staphylococcus prosthetic valve endocarditis prior to antibiotic susceptibility results?

What is your initial management approach to suspected coagulase negative Staphylococcus prosthetic valve endocarditis prior to antibiotic susceptibility results?

• IV vancomycin monotherapy pending further work up and susceptibility testing
• Combination therapy with IV vancomycin and antistaphylococcal beta lactam pending further work up and susceptibility testing
• Combination therapy with IV vancomycin and linezolid pending further work up and susceptibility testing
• Linezolid monotherapy pending further work up and susceptibility testing
• Other