搜尋結果
- Clinical significance
- Pathophysiology
- Causes
- Prognosis
- Symptoms
A subdural hematoma is a collection of blood outside the brain. Subdural hematomas are usually caused by severe head injuries. The bleeding and increased pressure on the brain from a subdural hematoma can be life-threatening. Some subdural hematomas stop and resolve spontaneously; others require surgical drainage.
In a subdural hematoma, blood collects between the layers of tissue that surround the brain. The outermost layer is called the dura. In a subdural hematoma, bleeding occurs between the dura and the next layer, the arachnoid. The bleeding in a subdural hematoma is under the skull and outside the brain, not in the brain itself. As blood accumulates, ...
Subdural hematoma is usually caused by a head injury, such as from a fall, motor vehicle collision, or an assault. The sudden blow to the head tears blood vessels that run along the surface of the brain. This is referred to as an acute subdural hematoma.
People with a bleeding disorder and people who take blood thinners are more likely to develop a subdural hematoma. A relatively minor head injury can cause subdural hematoma in people with a bleeding tendency.
In a chronic subdural hematoma, small veins on the outer surface of the brain may tear, causing bleeding in the subdural space. Symptoms may not be apparent for several days or weeks. Elderly people are at higher risk for chronic subdural hematoma because brain shrinkage causes these tiny veins to be more stretched and more vulnerable to tearing.
Side Effects. Skin redness, dryness, scaling, itching, or mild stinging/burning commonly occur, especially during the first 4 weeks of using this medication. These effects usually lessen with ...
2024年4月11日 · Anal sex is the term used for any sexual activity that involves the anus. It doesn’t always include anal intercourse. The anus is full of nerve endings, making it very sensitive, and many people ...
- Mary Anne Dunkin
2023年3月23日 · Overview. Progesterone is a hormone that occurs naturally in the body. It's involved in pregnancy and is produced mainly in the ovaries. It can also be made in a lab. Progesterone levels can ...
2022年8月9日 · Prenatal Visit Week 38. Your baby could be born any day now! In fact, 85% of babies are born in the two weeks before their due date. At this stage, you are probably feeling pretty uncomfortable ...
