Hospital acquired and community acquired methicillin resistant staph aureus (MRSA) has become an important health issue for in recent years. Up to two thirds of patients that are hospitalized may be colonized with MRSA. The prevalence in the community is also on the rise and affects the young and healthy. It is unclear what the true prevalence of MRSA is in our own hospital and outpatient setting. This information would be relevant to how healthcare staff adhere to contact and universal precautions. : The purpose of this study is to determine the prevalence of MRSA in patients that have gastrointestinal endoscopy and endoscopic ultrasound.