What Is Considered A Large Hematoma?

What Is Considered A Large Hematoma? Hematoma Contusion (bruise), a simple form of hematoma. Specialty Emergency medicine What is a large hematoma? Hematomas are larger bleeds and often involve larger blood vessels. With a hematoma, the leaking blood pools and clots to form a firm and tender mass. Hematomas can form deep within the body,