Gram positive cocci in clusters, Coagulase positive
Staph aureus is a ubiquitous organism that colonizes the skin/nares and can cause invasive disease.
MRSA risk factors include health care exposure (hospitalization, hemodialysis), antimicrobial use, incarceration, IDU, shared equipment and others
Highly virulent organism
Infection manifests as:
Pyogenic skin and soft tissue infection
Infection of prosthetic devices
MRSA: Contact precautions. To be discontinued only by IPAC. Add Droplet precautions if respiratory symptoms.
Wound infection/impetigo/scalded skin syndrome: Routine Practices if drainage can be contained by dressings otherwise Contact precautions until drainage resolved.
Pneumonia: Droplet until 24 hours of appropriate antibiotic therapy received
Toxic Shock syndrome: Routine Practices