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Causes and Symptoms of Cerebral Infarction - Oren Zarif - Cerebral Infarction


The symptoms of cerebral infarction depend on the part of the brain that is affected. A primary motor cortex infarction causes weakness and loss of sensation on the opposite side of the body. Some of the other symptoms are abnormal pupil dilation, lack of eye movement, and slurred speech. Infarction of the left side of the brain may cause aggravated reflexes. Symptoms are best recognized by consulting a doctor.

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Other causes of cerebral infarction are ruptured blood vessels, severe infections, or trauma. All of these factors reduce blood flow to the brain. If the reduced blood flow occurs only in one part of the brain, it is known as focal ischemia. The cause of focal ischemia may be a blood clot, called an embolism. These conditions can cause stroke symptoms. If these conditions occur together, the stroke is likely to be a TIA.

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If a thrombus obstructs an artery, a treatment that breaks down the clot is often the first step in the treatment of a stroke. Thrombectomy is a surgical procedure to remove a clot by breaking it up. Aside from mechanical removal, thrombolysis is an increasingly popular option for primary stroke centers. Another option is thrombolysis, which dissolves clots and improves blood flow to the brain.

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Researchers in one study of young adults found a clear association between vascular risk factors and the risk of a stroke. In this study, young adults aged 15 to 44 reported the highest rates of cerebral infarction and were most likely to be male. Approximately 12% of young adults had a vascular risk factor that was not known at the time of diagnosis. A new study in this area suggests that racial/ethnic diversity increases the risk of cerebral infarction.

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Other causes of cerebral infarction include aneurysms or clots from open-heart surgery. In some cases, the clots may lodge anywhere in the cerebral arterial tree. In a more severe case, a patient may also have a thrombus that has passed through a shunt or patent foramen ovale. Other factors associated with cerebral infarction may include atrial fibrillation or thrombosis of the subclavian artery.

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Neuroimaging is critical for early diagnosis and confirmation of cerebral infarction. Acute ischemic stroke can have ill-defined cerebral lesions and show signs of parenchymal enhancement and mass effect. The symptoms and signs of glioma are similar to those of an ischemic stroke. CT imaging can help differentiate acute infarction from hemorrhagic stroke, but it is often difficult to tell the difference between the two types. In cases of hemorrhagic stroke, a T2*GRE sequence can be used.

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If a patient has symptoms of ischemic stroke, he or she should be treated promptly. The effects of treatment depend on the cause of the cerebral infarction. During acute cerebral infarction, cerebral blood flow tends to decrease. Nevertheless, autoregulation may prevent the brain from dying of cerebral infarction. As long as treatment is started within a day or two, the patient can recover. A neurologist may recommend thrombolytic therapy or carotid endarterectomy. These procedures may reduce the risk of subsequent strokes.

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If a diagnosis of cerebral infarction has been made, the patient will undergo a diagnostic test called angiography. The tests require the administration of contrast dye. The first step in the process involves a catheter insertion into an artery. Using a fluoroscope to monitor the progress of the procedure, the catheter is threaded through the main vessels of the chest, abdomen, and neck. After the dye has been injected, the doctor will take X-ray pictures to confirm a diagnosis of cerebral infarction.

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Symptoms of cerebral ischemia are similar to those of a heart attack. However, a heart attack may cause cerebral ischemia as well. It is common for low blood pressure to precede a heart attack, as this usually means that tissues are not receiving adequate oxygen. Left untreated, a heart attack will block the blood flow and cause the clotting of blood. Other factors may cause cerebral ischemia. The best way to prevent this is to treat it as soon as it occurs.

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Studies show that hypertension is a major risk factor in stroke. It has long been considered a risk factor for stroke in the general population. Several studies have also indicated that oral contraceptives are linked to an increased risk of stroke. Symptoms of cerebral infarction include loss of control of certain muscles, paralysis, and loss of muscle movement. Additionally, many stroke survivors will experience recurrence of the stroke.

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