Background: Healthcare in the U.S. is increasingly delivered by large health systems that include one or more hospitals and associated outpatient practices. It is unclear what role health systems play in driving or preventing overutilization of healthcare services in the U.S. We sought to learn what characteristics allow certain health systems to avoid low-value care [...]

Background: Many U.S. emergency departments (EDs) and hospitals experience critical overcrowding and capacity challenges which has been exacerbated by the COVID-19 pandemic.(1) ED boarding has been associated with a range of adverse outcomes, and pre-pandemic data suggests that racial minority patients may be disproportionately impacted.(2-4) We aim to identify the effects of patient race and [...]

Background: The occurrence of adverse events due to unsafe health care is thought to be one of the 10 leading causes of death and disability in the world. The harm can be caused by a range of adverse events, with nearly 50% of them preventable. Broad adoption of electronic health records (EHR) should ideally harness [...]

Case Presentation: A 61-year-old man with stage 5 chronic kidney disease was admitted to the hospital with four days of new, uncontrollable muscle twitching. One week prior, he had undergone incision and drainage of a gluteal abscess and was prescribed levofloxacin. Two days later, he began to experience twitching of his face and jerking of [...]