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Depending on where the stroke is located in the brain, symptoms may start within minutes, or they make take hours to present themselves. Most strokes occur without warning. Some common symptoms include one sided weakness, facial paralysis or numbness, vision problems, trouble speaking, problems with walking and keeping balanced.
Stroke affecting large portions of the brain can cause significant brain swelling with secondary brain injury in surrounding tissue. This phenomenon is mainly encountered in stroke affecting brain tissue dependent upon the middle cerebral artery for blood supply and is also called "malignant cerebral infarction" because it carries a dismal ...
The ischemic (ischaemic) cascade is a series of biochemical reactions that are initiated in the brain and other aerobic tissues after seconds to minutes of ischemia (inadequate blood supply). [1] This is typically secondary to stroke, injury, or cardiac arrest due to heart attack.
Changes in the eye can help predict other health concerns in the body, such as diabetes and high blood pressure. A new study has identified a set of 29 vascular health indicators on the retina ...
Silent stroke is a stroke which does not have any outward symptoms, and the patient is typically unaware they have had a stroke. Despite its lack of identifiable symptoms, a silent stroke still causes brain damage and places the patient at increased risk for a major stroke in the future. In a broad study in 1998, more than 11 million people ...
It needs a constant supply of glucose and oxygen from your blood. If that blood supply is cut off — such as by a stroke — brain cells can start dying within minutes, causing brain damage. That ...
A stroke, for example, can cause serious brain damage. If your blood pressure isn’t under control, your doctor may suggest lifestyle changes to help lower it. Any tips on how I can stop smoking?
The most common presentation of cerebrovascular diseases is an acute stroke, which occurs when blood supply to the brain is compromised. [13] Symptoms of stroke are usually rapid in onset, and may include weakness of one side of the face or body, numbness on one side of the face or body, inability to produce or understand speech , vision ...
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