Background: Computed tomography (CT) can provide critical information for diagnosis and is a prevalent and easy-to-use imaging test, but overtesting becomes a big probleｍ. The previous report showed 30-40% of abdominal CT scans were medically unnecessary. Therefore, head CT is a research topic in overtesting, and clinical predictive scores have been developed to avoid overtesting [...]

Background: Urine culture testing should primarily be reserved for patients with clinical symptoms or other limited indications. Unfortunately, many admitted patients undergo unnecessary urine culture testing, leading to overdiagnosis and overtreatment of asymptomatic bacteriuria (ASB). Unnecessary antibiotic treatment for ASB does not improve outcomes and exposes patients to side effects. The negative implications may include [...]