• (sepsis) A systemic inflammatory response to an infection.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• (sepsis) Systemic inflammatory response to infection.
  Human Phenotype Ontology (HPO)
  The Human Phenotype Ontology Project, 2025
• A condition in which disease-causing organisms have spread to the bloodstream from an infection elsewhere in the body. Also known as blood poisoning.
  Harvard Dictionary of Health Terms
  Harvard Medical Publishing, 2011
• Disease caused by the spread of bacteria and their toxins in the bloodstream.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Systemic disease associated with the presence of pathogenic microorganisms or their toxins in the blood.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• The presence of pathogenic microorganisms in the blood stream causing a rapidly progressing systemic reaction that may lead to shock. Symptoms include fever, chills, tachycardia, and increased respiratory rate. It is a medical emergency that requires urgent medical attention.
  NCI
  U.S. National Cancer Institute, 2021
• Septicemia, infection resulting from the presence of bacteria in the blood (bacteremia). The onset of septicemia is signaled by a high fever, chills, weakness, and excessive sweating, followed by a decrease in blood pressure. The typical microorganisms that produce septicemia, usually gram-negative...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025