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: Standard Precautions*
*Contact Precautions for:
Major skin, wounds, burns.
S. aureus enterocolitis in children, infants, and incontinent
S. aureus Scalded Skin Syndrome (Ritter's)