Low blood pressure may also cause an
ischemic stroke, although this is less common. Low blood pressure results in reduced
blood flow to the brain. It may be caused by narrowed or diseased
arteries, a heart attack, a large loss of blood, or a severe infection.
Vascular dementia is the second most common cause of dementia in older people. Because it has a lower profile than Alzheimer's, many people don't suspect vascular dementia when forgetfulness becomes problematic. It's also difficult to diagnose so it's difficult to know exactly how many people suffer from vascular dementia. Current estimates attribute 15% to 20% of dementia cases in older adults to vascular dementia.
Determining the root cause can help determine the best action plan. If it's vascular...
Some surgeries (such as endarterectomy) or other procedures (such as
carotid artery stenting) that are used to treat narrowed carotid arteries may cause a blood
clot to break loose, resulting in a stroke.
Causes of hemorrhagic stroke
hemorrhagic stroke is caused by bleeding in or around the
Bleeding inside the brain itself (intracerebral hemorrhage, or ICH) may be a
result of long-term high blood pressure.
Bleeding in the space around the
brain (subarachnoid hemorrhage, or SAH) may be caused by a ruptured
aneurysm or uncontrolled high blood pressure.
Other less common causes include head or neck injuries, certain diseases, and radiation treatment for cancer in the neck or brain.
WebMD Medical Reference from Healthwise
March 12, 2014
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