BleedingBlood loss; Open injury bleeding
Bleeding is the loss of blood. Bleeding may be:
- Inside the body (internally)
- Outside the body (externally)
Bleeding may occur:
- Inside the body when blood leaks from blood vessels or organs
- Outside the body when blood flows through a natural opening (such as the ear, nose, mouth, vagina, or rectum)
- Outside the body when blood moves through a break in the skin
American Red Cross. Traumatic injuries. In: American Red Cross First Aid/CPR/AED Participant's Manual. Yardley, PA: StayWell; 2016:chap 6.
Bulger EM, Snyder D, Schoelles K, et al. An evidence-based prehospital guideline for external hemorrhage control: American College of Surgeons Committee on Trauma. Prehosp Emerg Care. 2014;18(2):163-173. PMID: 24641269 www.ncbi.nlm.nih.gov/pubmed/24641269.
Simon BC, Hern HG. Wound management principles. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 52.