Hemorrhagic infarct
Hemorrhagic Infarct
Hemorrhagic infarct (pronunciation: heh-muh-RAH-jik IN-farkt) is a type of stroke that occurs when blood flow to a part of the brain is blocked, and the resulting ischemia leads to necrosis and subsequent bleeding into the infarcted area.
Etymology
The term "hemorrhagic infarct" is derived from the Greek words "haima" (blood), "rhegnynai" (to burst forth), and the Latin word "infarctus" (stuffed into).
Types
There are two types of hemorrhagic infarcts:
- Hemorrhagic Infarct Type 1 (HI1): Characterized by small petechial hemorrhages at the periphery of the infarct.
- Hemorrhagic Infarct Type 2 (HI2): Characterized by more confluent hemorrhaging throughout the infarct.
Causes
Hemorrhagic infarcts are often caused by thrombosis or embolism that blocks a cerebral artery. Other causes can include hypertension, aneurysm, arteriovenous malformation, and vasculitis.
Symptoms
Symptoms of a hemorrhagic infarct can include sudden severe headache, weakness or numbness on one side of the body, difficulty speaking or understanding speech, loss of vision, dizziness, and loss of balance or coordination.
Diagnosis
Diagnosis of a hemorrhagic infarct is typically made through a combination of clinical examination, neuroimaging techniques such as MRI or CT scan, and sometimes lumbar puncture.
Treatment
Treatment for hemorrhagic infarct focuses on controlling the bleeding, reducing the pressure in the brain, and managing the patient's symptoms. This can include medications to control blood pressure and prevent seizures, and in some cases, surgery may be required.
See Also
External links
- Medical encyclopedia article on Hemorrhagic infarct
- Wikipedia's article - Hemorrhagic infarct
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