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Ischemic Stroke - Oren Zarif - Ischemic


An ischemic stroke occurs when the blood flow to the brain is blocked or severely reduced. It can happen minutes or even hours later, and can cause even greater damage. Therefore, as soon as possible, people suffering from an ischemic stroke should go to the hospital or emergency room for immediate treatment. Treatment of ischemic stroke involves removal of the clots and is most effective if it is started early. Treatment with drug therapies must be started within 4.5 hours of the onset of symptoms, while mechanical thrombectomy is effective up to six hours after the stroke.

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Insufficient blood flow to an organ causes ischemia. An artery supplying an organ has become blocked due to atherosclerotic plaque. This impedes blood flow to the ischemic organ, which results in a lack of oxygen and nutrients. Eventually, cells in the ischemic organ die, resulting in an infarction. An ischemic heart may lead to chest pain or angina pectorum, but these symptoms may be due to a more serious underlying cause.

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When an artery has been severely blocked by plaque, it becomes narrow and more susceptible to blood clots. As a result, the blood flow to the brain is interrupted. Heart attacks can also cause cerebral ischemia. Usually, heart attacks result in low blood pressure and poor oxygenation of the tissues. Untreated heart attacks can also result in a reduction in blood flow and lead to the formation of blood clots.

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Another form of ischemic stroke is global cerebral ischemia, which occurs when blood flow to the brain is greatly reduced. Carbon monoxide poisoning and heart attack can also cause global cerebral ischemia. People with a history of stroke are at increased risk of global ischemia. Men and African Americans are at higher risk of developing ischemic stroke than women. The risk of an ischemic stroke also increases with age. Ischemic stroke is not a rare condition and should not be ignored if it affects you.

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Many Americans have silent ischemia. This condition can occur without any warning. These episodes may also be a sign of angina. People with diabetes are especially at risk for silent ischemia. Diagnosis of silent ischemia may include an exercise stress test or a Holter monitor, which records an electrocardiogram over the course of 24 to 48 hours. Other tests may also be required. But the sooner you are diagnosed with silent ischemia, the sooner you can prevent a potentially life-threatening event.

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Treatment of cerebral ischemia varies. There are medications that can open narrowed arteries, while other treatments include balloon angioplasty or implanting a stent. Treatment of an ischemic stroke can help patients get back to a normal lifestyle and regain motor skills. Speech and occupational therapy can help them regain their lost abilities. There are many treatments for ischemic stroke, but not all of them are effective.

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When a person has an ischemic stroke, blood flow to the brain is stopped. It accounts for most of all stroke cases and is caused by a blocked artery. In either case, a blood clot may form or a buildup of fat that has accumulated in the arteries. In other words, a blood clot can occur anywhere along the arteries feeding the brain. Immediately seeking emergency treatment is critical to recovery.

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The most common type of ischemic stroke is cerebral ischemia, which accounts for about 87 percent of all strokes. The brain is supplied with blood through an artery. When this blood flow is interrupted, a patient suffers from a stroke. Because this type of stroke is more common than ischemic, people with atrial fibrillation are at high risk. Even though the risk of an ischemic stroke is high, it's not impossible to avoid a stroke.

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The current listing for ischemic heart disease was last updated in 2006. It is based on guidelines developed in 1994 and the final rule on cardiovascular impairments. In patients with ischemic heart disease, the standard stress electrocardiography criteria are also expanded to include non-exercise modalities, such as nuclear imaging and echocardiography provoked by pharmacologic vasodilators. Severe CHD is also defined as having a significant degree of left main stenosis and a proximal/midenose in two native arteries.

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A physical examination and family history are the primary methods of diagnosis of ischemic heart disease. The physical examination and symptoms of the disease may help doctors determine the location of the blockage. If a person has a weakness in the left leg, it may be because the artery on the right side of the brain controls the muscle movements of the left leg. In case of suspicion of ischemic stroke, doctors may order a cranial CT scan to differentiate the condition from other causes of brain tissue death. If left untreated, ischemic heart disease can lead to irreversible brain damage or death.

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