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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
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
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 moreSee 3 more doctor answers
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
Yes: The short answer is yesGet a more detailed answer ›
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 moreSee 2 more doctor answers
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
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 ?
66yr/ m congestive heart failure, stroke, pulmonary embolism, then 2nd massive hemorrhagic stroke, surgery to repair, fell into coma. prognosis?
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 moreSee 2 more doctor answers
How many diagnostic codes are there? How many that have to with heart, stroke, diabetes, end stage renal, and organ transplants and cancer.
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 moreSee 1 more doctor answer