Post by Cesar M Limjoco MD

One of the most confusing and controversial topics in medicine is the triumvirate of bacteremia, septicemia, and sepsis. Even in medical literature, specifically in peer-reviewed journals and research, these terms are used interchangeably. This has long been a point of contention among physicians, as different generations and medical societies have varying understandings of sepsis -- reflecting the gradual uncovering of its pathophysiology by science. To take a brief look at the history of sepsis, more than three decades ago, when patients experienced multi-organ failure and death, it was common to find positive blood cultures indicating the offending organism. This was often regarded as the definitive marker of sepsis. Physicians would wait for the blood cultures to grow the organism over the course of a couple of days before confidently diagnosing sepsis. Until 1991, sepsis and septicemia were essentially considered synonymous. In 1983, Dr. William Nelson from the University of Toronto introduced the concept of Systemic Inflammatory Response Syndrome (SIRS). He described how the immune system could become dysregulated in response to both infectious and non-infectious triggers. To effectively align our interventions, it is crucial to clearly delineate the boundaries between bacteremia, septicemia and sepsis. Establishing distinct definitions allows us to accurately identify and categorize patients, leading to more tailored treatments and improved outcomes. By doing so, we can better assess the efficacy of our therapies and interventions for each specific condition. This article aims to shed light to a systematic approach for delineating between #bacteremia, #septicemia, and #sepsis, highlighting their unique characteristics, clinical presentations, and underlying mechanisms. Through this detailed differentiation, we can enhance our understanding and management of these important medical issues, ultimately improving patient care and clinical decision-making. Stay tuned for my next post tomorrow: “Septicemia ≠ Sepsis.” 👍🏽 AHIMA | American Hospital Association | American Medical Association | American College of Physician Advisors (ACPA) | Centers for Disease Control and Prevention | Centers for Medicare & Medicaid Services | Global Sepsis Alliance