Therapy with drugs that can break up a clot has to be given within 4.5 hours from when symptoms first started if given intravenously. This may be done with:Įmergency IV medication. To treat an ischemic stroke, doctors must quickly restore blood flow to the brain. An echocardiogram can find a source of clots in the heart that may have traveled from the heart to the brain and caused a stroke.Įmergency treatment for stroke depends on whether you're having an ischemic stroke or a stroke that involves bleeding into the brain (hemorrhagic). An echocardiogram uses sound waves to create detailed images of the heart. This procedure gives a detailed view of arteries in the brain and neck. Then your doctor injects a dye into the blood vessels to make them visible under X-ray imaging. In this uncommonly used test, your doctor inserts a thin, flexible tube (catheter) through a small incision, usually in the groin, and guides it through the major arteries and into the carotid or vertebral artery. This test shows buildup of fatty deposits (plaques) and blood flow in the carotid arteries. In this test, sound waves create detailed images of the inside of the carotid arteries in the neck. Your doctor may inject a dye into a blood vessel to view the arteries and veins and highlight blood flow (magnetic resonance angiography or magnetic resonance venography). An MRI can detect brain tissue damaged by an ischemic stroke and brain hemorrhages. An MRI uses powerful radio waves and a magnetic field to create a detailed view of the brain. Doctors may inject a dye into your bloodstream to view the blood vessels in the neck and brain in greater detail (computerized tomography angiography). A CT scan can show bleeding in the brain, an ischemic stroke, a tumor or other conditions. A CT scan uses a series of X-rays to create a detailed image of your brain. You may have several blood tests, including tests to check how fast the blood clots, whether the blood sugar is too high or low, and whether you have an infection. You'll also have a neurological exam to see how a potential stroke is affecting your nervous system. Your doctor will do a number of tests you're familiar with, such as listening to the heart and checking the blood pressure. A cerebral angiogram showing a carotid aneurysm associated with stroke
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