MRSA bacteremia
Diagnosis
BCx
Echocardiogram to r/o endocarditis.
Assess for indwelling devices such as prosthetic heart valves or vascular grafts.
Treatment
Antibiotics
If patient responses to antibiotic treatment, repeat blood cultures 2–4 days after the initial cultures and as needed thereafter to document clearance of bacteremia.
After that, I get daily BCx until I get back negative blood cultures.
The day of the first negative blood cultures is your day zero for your antibiotic treatment for bacteremia.
Further Reading
Clin Infect Dis 2011;52(3):e18-e55. Clinical practice guidelines by the Infectious Diseases Society of America for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children.