Table of Contents
- Hematoma facts
- What is a hematoma?
- What causes a hematoma?
- What conditions cause a hematoma?
- What are other conditions that cause hematomas?
- What are the different types of hematomas?
- What are epidural and subdural hematomas?
- What are intracerebral and scalp hematomas?
- What are ear and nasal hematomas?
- What are intramuscular and subungual hematomas?
- What are subcutaneous and intra-abdominal hematomas?
- What are the symptoms of a hematoma?
- How does a hematoma resolve?
- When should I call a doctor about a hematoma?
- How is a hematoma diagnosed?
- What is the treatment for a hematoma?
- What are the complications of a hematoma?
- Can hematomas be prevented?
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. Trauma to tissue also may be caused by an aggressive sneeze or an unexpected twist of an arm or leg. 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 (hematoma) formation.
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