Lacunar stroke
Lacunar stroke
Lacunar stroke (pronunciation: luh-KYOO-nar strohk) is a type of ischemic stroke that occurs when the flow of blood to one of the small arteries deep within the brain becomes blocked.
Etymology
The term "lacunar" comes from the Latin word "lacuna" which means "gap" or "cavity". This is in reference to the small cavities that are left in the brain after the death of brain tissue caused by the stroke.
Causes
The primary cause of a lacunar stroke is ischemia, a condition in which there is insufficient blood flow to the brain to meet metabolic demand. This leads to limited oxygen supply or cerebral hypoxia and leads to the death of brain tissue, infarction. Other causes include hypertension (high blood pressure) and diabetes.
Symptoms
Symptoms of a lacunar stroke may include weakness or numbness on one side of the body, difficulty speaking or understanding speech, and loss of balance or coordination. These symptoms can vary depending on the part of the brain that is affected.
Treatment
Treatment for a lacunar stroke typically involves medication to prevent blood clots and control blood pressure, lifestyle changes, and in some cases, surgery. Rehabilitation therapies such as physical therapy, occupational therapy, and speech therapy may also be necessary.
Related Terms
External links
- Medical encyclopedia article on Lacunar stroke
- Wikipedia's article - Lacunar stroke
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