Common Warning Signs Of A Hemorrhagic Stroke
Hemorrhagic stroke is a serious medical event where an artery in an individual's brain begins to bleed. The surrounding brain tissues are inundated with blood when a weak blood vessel in the brain bursts open. The displaced blood causes damage to the individual's brain cells, rendering some tissues in the brain unable to function. There are two primary classifications of a hemorrhagic stroke. An intracerebral hemorrhage causes a hemorrhagic stroke when the bleed is in the actual brain tissue. A subarachnoid hemorrhage causes a hemorrhagic stroke when the bleed is in the space between the brain and the protective membranes that surround it. Hemorrhagic stroke is most common in individuals who have bleeding disorders, hypertension, cerebral aneurysm, cavernous cerebral malfunctions, and arteriovenous malfunctions. Diagnosis of a hemorrhagic stroke is made with MRI, CT scans, blood tests, lumbar puncture, and an electroencephalogram. Treatment involves mediation of the bleeding and prevention of future bleeds.
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Loss Of Consciousness
An individual having a hemorrhagic stroke may experience loss of consciousness. Loss of consciousness refers to a medical event where an individual suddenly loses the ability to respond to stimuli and looks to be asleep. Most often, loss of consciousness is caused by acute changes in the affected individual's body. Loss of consciousness occurs in patients who have a hemorrhagic stroke due to increased intracranial pressure that results from an intracerebral hemorrhage. When an individual has a hemorrhage that displaces blood in the brain, the accommodation limitations of the skull can cause the brain tissues to become compressed. The tissues that make up an individual's brain stem are often affected by increased intracranial pressure. The brain stem contains an individual's reticular activating system, which functions to control the arousal and sleep states of consciousness. This system malfunctions when its tissues become pressurized and may result in the affected individual losing consciousness. Loss of consciousness is one of the most severe symptoms of a hemorrhagic stroke.
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Sudden And Severe Headache
An individual who is having a hemorrhagic stroke may present with a sudden and severe headache. A headache caused by a hemorrhagic stroke often has a focal point that can help distinguish what part of the brain is experiencing the stroke. When an individual experiences a hemorrhagic stroke in their carotid artery, they may get a sudden and severe headache in their forehead. When a hemorrhagic stroke occurs in the vertebrobasilar system that provides blood to the backside of the brain, the patient may have a sudden and severe headache in the back of their head. There are no pain reporting nerves contained within the tissues of the brain itself, but the protective membranes around the brain called the meninges do have a high concentration of sensory nerves. When blood escapes from the vessels during a hemorrhagic stroke, it can be extremely irritating to the tissues of the meninges. This irritation causes the affected individual experience the rapid onset of an extremely painful headache.
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