Nursing Knowledge
An ischemic stroke is a vascular occlusion in a brain artery due to a thrombus or embolus, creating sudden loss of blood supply. Ischemic strokes are the more common type with about 87% of stroke cases being ischemic strokes.
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A hemorrhagic stroke (13% of stroke cases) is caused by a ruptured vessel through which blood flows into the brain tissue. It can be intracerebral (intraparenchymal, bleeding within the brain tissue itself) or subarachnoid (within the arachnoid layers of the meninges).
Risk factors for ischemic stroke include:
The most common cause of ischemic stroke is atherosclerosis, where fatty deposits (plaques) build up on the inner walls of arteries, leading to reduced blood flow or blockages.
A type of ischemic stroke that has no single determined cause is called a cryptogenic stroke. In these cases, despite thorough evaluation, the specific cause of the stroke remains unidentified.
Risk factors for hemorrhagic stroke include:
The symptoms of ischemic strokes will have a sudden onset and include:
The symptoms of hemorrhagic strokes include:
The following are treatment measures for ischemic stroke:
The following are treatment measures for hemorrhagic stroke:
A very common tool to assess for stroke are the FAST warning signs:
Long-term changes after a stroke can include:
Potential nursing diagnoses for stroke can include:
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