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Doctor insights on: Stroke

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Cerebral stroke, tia, mini stroke--which are preventable?

Cerebral stroke, tia, mini stroke--which are preventable?

All preventable: All of the above are preventable by routine measures such as good blood pressure control, proper diet, exercise and blood sugar control. ...Read more

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What's the difference between ischemic stroke, hemorrhagic stroke, and embolic stroke?

What's the difference between ischemic stroke, hemorrhagic stroke, and embolic stroke?

Pathophysiology: Ischemic stroke occurs when an artery to the brain is blocked.A thrombotic stroke occurs when diseased or damaged cerebral arteries become blocked by the formation of a blood clot within the brain. An embolic stroke is also caused by a clot within an artery, but in this case the clot (or emboli) forms somewhere other than in the brain itself. Hemorrhagic stroke is sudden bleed into the brain. ...Read more

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How does stroke speech therapy work?

How does stroke speech therapy work?

Trains new paths: There are pathways in the brain that conduct spoech a stroke affects these areas. Therapy establishes new paths. ...Read more

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Is ischemic microvascular brain disease related to stroke?

Is ischemic microvascular brain disease related to stroke?

See comments: Are you referring to radiology reading of an MRI of brain? In elderly, often thought that white matter lesions are associated with "microvascular angiopathy", sign of potential atherosclerosis. Maybe potential stroke risk, especially lacunar infarct, but not straightforwards. Your physician needs to assess stroke risk. Spots more likely from migraine or prior injury. ...Read more

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Do carotid stents cause strokes?

Do carotid stents cause strokes?

Possible: It is possible to develop a stroke during carotid stent placement (~ 4% in optimal patients). However the carotid stent is effective at preventing further strokes and that is why they are placed. At this point carotid stents are reserved for patients who are at high risk for open carotid endarterectomy (surgery). ...Read more

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How do you know if a headache is normal, or if it is a symptom of a stroke?

How do you know if a headache is normal, or if it is a symptom of a stroke?

Usually not painful: There are two types of stroke, ischemic and hemorrhagic. Ischemic strokes are from a lack of blood flow. Hemorrhagic strokes are from bleeding into the brain. To recognize a stroke, look for asymmetry in the face, difficulty with speaking and weakness on one side of the body. While hemorrhagic strokes can cause pain, ischemic strokes are more common and are not painful. ...Read more

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Please describe the warning signs of a stroke?

NINDS website: Check the national institute for neurological disorders and stroke (ninds) for this info, the link is http://www.Ninds.Nih.Gov/disorders/stroke/knowstroke.Htm different from heart attacks, most strokes don't hurt. Patients often show up too late. Severe headaches may indicate hemorrhagic stroke or aneurysm rupture. If in doubt, go to the emergency room. ...Read more

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What % of ischemic MCA stroke patients benefit from tpa (alteplase)?

What % of ischemic MCA stroke patients benefit from tpa (alteplase)?

Depends: This is a complex question. It depends on what percent of is already showing signs of infarction (dead brain) rather than just ischemia (brain at risk).... When we see > 1/3 of territory abnormal on initial ct scan, it is a contraindication for tpa (alteplase). It also depends on how long the symptoms have been occurring. But to answer your question, theoretically all could potentially benefit. ...Read more

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Is a PFO just a diagnosis of exclusion for stroke/tia seeing as 25% of population have it anyway or is it a real risk and needs to be closed ?

Yes and no: Yes its an exclusionary diagnosis. No real good evidence that closure is beneficial. A recent study published in new england journal of med. Noted no real benefits. ...Read more

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Symptom of stroke or heart attack?

Symptom of stroke or heart attack?

what's the question?: Apologies, but what exactly are you asking? If you are concerned about either and feel that you have symptoms, you need to go to the emergency room or see your pcp to be examined. ...Read more

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66yr/ m congestive heart failure, stroke, pulmonary embolism, then 2nd massive hemorrhagic stroke, surgery to repair, fell into coma. prognosis?

66yr/ m congestive heart failure, stroke, pulmonary embolism, then 2nd massive hemorrhagic stroke, surgery to repair, fell into coma. prognosis?

Guarded: I am sorry for this situation. No one can say for sure what will happen, but from your description, I think the prognosis would be guarded. ...Read more

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How do non contrast CT scans detect strokes? I was wondering how non contrast CT scans help diagnose strokes, since the non contrast would means that the parts of the brain with and without blood would all look the same, right?

How do non contrast CT scans detect strokes? I was wondering how non contrast CT scans help diagnose strokes, since the non contrast would means that the parts of the brain with and without blood would all look the same, right?

A screening test: The earliest sign of a stoke on a ct scan is edema or swelling of the part of the brain that had the stroke. It may take several hours for this to show up on a ct scan, but ct scans are widely available 24/7, while MRI may not be. Ct can will show if the stroke is hemorrhagic, which will mean that treating the stroke with tpa (alteplase) is contraindicated. ...Read more

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What causes mini strokes?

Mini strokes: Mini strokes, or TIAs, are caused by the same things that cause regular strokes. Here are the common causes: smoking high blood pressure atrial fibrillation high blood sugar arterial disease / atherosclerosis high blood cholesterol ...Read more

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Does "ICA Dissection" mean a TIA or stroke occurred?

Not necessarily...: A dissection means that the artery has begun to tear. This can lead to complete rupture or can occur slowly. In either case, there is an increased risk of stroke or death. Prompt follow up and treatment is a must. ...Read more

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Is transient ischemic attack a ischemic heart disease?

No: It is an ischemic cerebrovascular disease. However, someone who has one is at much higher risk of having both than someone who has neither. ...Read more

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What causes dizziness and a feeling of not being well numbness in finger tips pain in thigh.Stroke test negative vertigo negative?

What causes dizziness and a feeling of not being well numbness in finger tips pain in thigh.Stroke test negative vertigo negative?

Hyperventilation: Easy answer is hyperventilation but could be other things. Hyperventilation is when you exhale more than you inhale. Thus too much co2 is exhaled and the ph of your blood changes giving you the dizzy tingling. Test: breathe into a brown bag so you rebreathe the co2 and see if that rids you of the numbness. ...Read more

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