Gastrointestinal symptoms are commonly seen in the primary care setting. These patient presentations can be nonspecific, leading to a broad differential diagnosis. Small intestinal bacterial overgrowth is a clinical entity that can present with many of these nonspecific gastrointestinal symptoms. The recent interest in the microbiome by those in the medical and lay communities has made this syndrome all the more relevant. This review gives the primary care provider an up-to-date understanding of the etiology, risk factors and predisposing factors, presentation, diagnostic testing, and management of small intestinal bacterial overgrowth.

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Cytomegalovirus (CMV) infection of the gastrointestinal tract has a variety of presentations. We present a case of gastric perforation, which is a relatively infrequent presentation of CMV infection. If the cause of gastric perforation is not readily apparent, testing for CMV should be considered. If CMV workup is positive, an evaluation for immunocompromise is prudent as CMV infections are more common in immunocompromised individuals.

Background: Blue light imaging (BLI) has been shown to improve the characterization of colorectal polyps among the endoscopy experts. We aimed to determine if this technology could be taught to endoscopy trainees while maintaining high accuracy and interobserver agreement.