Hematoma (cont.)Medical Author:
Benjamin Wedro, MD, FACEP, FAAEM
Benjamin Wedro, MD, FACEP, FAAEMDr. Ben Wedro practices emergency medicine at Gundersen Clinic, a regional trauma center in La Crosse, Wisconsin. His background includes undergraduate and medical studies at the University of Alberta, a Family Practice internship at Queen's University in Kingston, Ontario and residency training in Emergency Medicine at the University of Oklahoma Health Sciences Center. Medical Editor:
Mary D. Nettleman, MD, MS, MACP
Mary D. Nettleman, MD, MS, MACPMary D. Nettleman, MD, MS, MACP is the Chair of the Department of Medicine at Michigan State University. She is a graduate of Vanderbilt Medical School, and completed her residency in Internal Medicine and a fellowship in Infectious Diseases at Indiana University. In this Article
 What causes a hematoma?Trauma is the most common cause of a hematoma. When people think of trauma, they generally think of car accidents, falls, head injuries, broken bones, and gunshot wounds, etc.. Trauma to tissue may also be caused by an aggressive sneeze or an unexpected twist of a limb. When a blood vessel is damaged blood leaks into the surrounding tissue; this blood tends to coagulate or clot. The greater the amount of bleeding that occurs, the larger the amount of clot formation. Blood vessels that are fragile may contribute to hematoma formation. For example, an aneurysm or weakening in a blood vessel wall may spontaneously leak. There are many people who take blood thinners (anti-coagulation) medications. Examples include warfarin (Coumadin), aspirin, clopidogrel (Plavix) and prasugrel (Effient). These medications increase the potential for spontaneous bleeding and for hematomas to expand because the body cannot efficiently repair blood vessels and blood continues to leak through the damaged areas. Occasionally, diseases may occur that decrease the number of platelets in the blood stream (thrombocytopenia) or their ability to function. The platelets are the cells that help initiate blood clot and fibrin formation. All of the above situations may exist independently to cause a hematoma or they may occur together. Patient CommentsViewers share their comments
Hematoma - Experience
Question: Please describe your experience with hematoma.
Hematoma - Symptoms
Question: What were the symptoms of your hematoma?
Hematoma - Diagnosis
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Hematoma - Treatments
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