Bruise
Introduction A bruise (also known as contusion) is an injury appearing as an area of discoloured skin that is commonly caused by blunt impact , such as a fall, trauma or bump, resulting in damage of the soft tissues, including rupture of small blood vessels (capillaries) without cuts on the skin . Older people are more prone to bruising. NOTE: A haematoma is a larger collection of blood, usually caused by surgery, injury or greater trauma. Like a bruise, haematomas will usually be reabsorbed into the body. However, depending on the size, location and cause of the haematoma, the area may need to be drained surgically or take a longer period of time to resolve. Symptoms The blunt force trauma damages capillaries beneath the skin, causing blood to leak into the surrounding tissue. Skin discolouration is initially red or pink, gradually becoming blue, green and yellow. Most bruises heal in 1 to 2 weeks, but some take longer. NOTE: The characteristic colour changes of a bruise are due to...