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A bruise, also known as a contusion, is a type of hematoma of tissue, [3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
A pulmonary contusion, also known as lung contusion, is a bruise of the lung, caused by chest trauma. As a result of damage to capillaries , blood and other fluids accumulate in the lung tissue. The excess fluid interferes with gas exchange , potentially leading to inadequate oxygen levels ( hypoxia ).
But to first make clear what a bruise is: It’s the result of a broken blood vessel (a.k.a. capillary) which causes a leakage and collection of blood under the skin’s surface, explains Riza ...
A hematoma, also spelled haematoma, or blood suffusion is a localized bleeding outside of blood vessels, due to either disease or trauma including injury or surgery [1] and may involve blood continuing to seep from broken capillaries.
Contusion — Also known as a bruise, this is a blunt trauma damaging tissue under the surface of the skin. Crushing Injuries — Caused by a great or extreme amount of force applied over a period of time. The extent of a crushing injury may not immediately present itself. Ballistic Trauma — Caused by a projectile weapon such as a firearm ...
A capillary is a small blood vessel, from 5 to 10 micrometres in diameter, and is part of the microcirculation system. Capillaries are microvessels and the smallest blood vessels in the body. Capillaries are microvessels and the smallest blood vessels in the body.
However, capillary vessels located under the skin at the edges of the impacting object rupture, resulting in two parallel, striated skin lacerations. Such double straps in a child indicate abuse and require clarification.
[5] [7] Capillary perfusion pressure will fall. [5] [7] This, in turn, leads to a gradual lack of oxygen in the tissues that depend on this blood supply. [64] Without enough oxygen, the tissue will die. [13] On a large scale, this can cause Volkmann's contracture in the affected limbs. [65] [66] [67] It is permanent and irreversible. [65]