Early Intervention After a Brain Stroke - Oren Zarif - Brain Stroke
The early intervention after a brain stroke is crucial for stroke survivors. Rehabilitation exercises can stimulate neuroplasticity and rewiring of the brain. Depending on the side of the brain affected, stroke recovery exercises may emphasize critical thinking or creativity. Therapies for right-brain strokes may focus on meditative thinking and creativity. A therapist may also help patients with speech deficits and other disabilities communicate their medical history. But rehabilitation exercises are only effective if they are administered immediately after a stroke.
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Several tests are necessary to determine the cause of a stroke. These include MRI scans of the brain. MRI scans use powerful magnetic fields and radio frequency pulses to create detailed pictures of internal body structures. MRI is also used to image cerebral vessels, known as MR angiography. An electrocardiogram is another diagnostic tool used to assess the electrical activity of the heart. A heart rhythm check is also required to determine whether a stroke is the cause of a patient's symptoms.
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The first step for lowering your risk of having a stroke is to recognize warning signs. If you see any of these signs, call 911 and request emergency medical care. Your doctor may be able to provide a treatment that will reduce the risk of a stroke. Besides taking appropriate medical care, lifestyle changes can reduce the risk of having a stroke. For example, eating a healthy diet and exercising regularly are key to reducing the risk of having a stroke.
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Blood clots can be the cause of a stroke. These clots obstruct the blood flow to the brain. As a result, part of the brain that is supplied by the clotted blood vessel is left without oxygen or blood. The clotting process begins. It can also be the result of a previous head injury. If you experience any of these symptoms, your doctor may recommend an immediate treatment to reduce the risk of having a stroke.
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There are two types of stroke: hemorrhagic and ischemic. Hemorrhagic stroke causes hemorrhaging. Ischemic stroke is more common and is characterized by reduced blood flow to an artery. It may not cause any clinically detectable symptoms but may lead to a gradual decline in the ability to speak and function. Symptoms may include numbness, slurred speech, and difficulty moving on one side of the body.
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The final volume of a large vessel supratentorial ischemic stroke is 54 mL, ranging from 19 to 100 mL in sensitivity analysis. Nonlacunar stroke evolution lasts for 10 hours. The human forebrain contains an average of 22 billion neurons. Each hour, 120 million neurons are destroyed, as are 830 billion synapses and 714 km (447 miles) of myelinated fibers. In other words, the brain ages at a rate of 3.6 years per hour.
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Because each part of the brain is responsible for different functions, a stroke in one part of the brain will affect the body differently. One side of the brain controls one side of the body, while the other controls the opposite. Therefore, if a stroke affects the right side of the brain, left-sided weakness may result. When a stroke affects the cerebrum, multiple areas of the brain will be affected. A stroke in the cerebrum will affect one side or both hemispheres of the brain, which is the largest part of the brain.
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During the acute stage of a stroke, patients will be stabilized with intravenous lines. Oxygen will be administered and a noncontrast CT scan is conducted. Patients will then be transferred to a hospitalist. Then, rehabilitation physicians, physical therapists, and occupational therapists will be involved. Once the acute event has ended, patients may need surgery to remove any blood or damaged blood vessels around the brain.
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A stroke can occur at any age. The risk of a stroke increases with age and with hormone therapies. However, it can occur during childhood as well. In utero life, the risk is highest. In early childhood, the risk of a stroke is greatest during the perinatal period (the last few months of pregnancy and the first few weeks after birth). In middle age, men have a higher risk than women. Therefore, early detection of stroke is essential for a stroke survivor.
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Depending on the location of the stroke, a person may have two types of brain stroke. In the first case, the stroke may be an ischemic one, meaning that a blood clot or plaque has blocked a blood vessel. In this type of stroke, a clot-busting drug known as a tissue plasminogen activator (t-PA) is administered. This medicine dissolves the blood clot and improves blood flow to the affected part of the brain.