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What is a Hematoma?

Published in Medical Condition 2 mins read

A hematoma is essentially a collection of clotted blood that forms outside of blood vessels, typically within an organ, tissue, or body space. The source of this blood is usually a damaged blood vessel.

Understanding Hematomas

Hematomas occur when blood vessels are damaged, often due to injury or surgery, causing blood to leak out and pool in the surrounding tissues. The body then begins the process of clotting this blood. According to provided information, a hematoma is a pool of mostly clotted blood that forms in an organ, tissue, or body space.

Causes of Hematomas

  • Injury: Direct blows, falls, or other physical trauma can rupture blood vessels.
  • Surgery: Surgical procedures can inevitably damage some blood vessels, leading to hematoma formation.
  • Underlying Conditions: Certain medical conditions affecting blood clotting or blood vessel integrity can increase the risk.

Where Hematomas Can Occur

Hematomas can occur virtually anywhere in the body. Examples include:

  • Skin: Commonly seen as bruises.
  • Muscles: Resulting from strains or direct trauma.
  • Brain: A serious condition requiring immediate medical attention.
  • Organs: Can occur in internal organs following injury or surgery.

Examples of Hematomas

Type of Hematoma Location Characteristics
Subcutaneous Under skin Appears as a bruise; changes color over time.
Intramuscular In muscle Can cause pain, swelling, and limited range of motion.
Subdural Brain Forms between the brain and the dura; often results from head trauma.
Epidural Brain Forms between the dura and the skull; typically associated with skull fractures.