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Doctor insights on: What Is The Similarity And Difference Between A Stroke From Clot And Ischemia

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What is the similarity and difference between a stroke from clot and ischemia?

What is the similarity and difference between a stroke from clot and ischemia?

Basically same: Usually stroke from clot refers to embolism-clot formed somewhere else & travelled to affected area. Ischaemia refers to gradual progressive closure of an artery leading to ischaemic necrosis. Often the conditions may overlap & a clot may form at the site of obstructing artery. ...Read more

Dr. Cynthia Thaik
1,907 doctors shared insights

Ischemia (Definition)

Ischemia is a symptom in which a person does not have enough blood supply to a part of the body, making that part of the body "ischemic". For example, in a heart attack, a coronary artery is blocked so blood cannot get to the heart muscle beyond the blockage point. The heart muscle lacking ...Read more


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What is the average life span after a major stroke due to ischemia?

What is the average life span after a major stroke due to ischemia?

Variable: Causation of stroke may affect life expectation. Severity of stroke, location of damage, age and co-morbidities are significant determinants. Very important in mortality is the presence or absence of depression, which is common and must be treated for best results. Strong social support network is very beneficial. ...Read more

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Given a thrombosis does ischemia occur both upstream and downstream of the clot?

Given a thrombosis does ischemia occur both upstream and downstream of the clot?

Definitions: Ischemia is a term used to describe cellular level changes that occur as a result of poor oxygenation, which can occur because of a thrombosis in an artery or, less commonly, a vein. Because a cell is "downstream" along an artery, thrombosis of an artery will cause ischemia downstream but not "upstream, " back towards the heart. ...Read more

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Where does ischemia occur with regards to thrombosis? Upstream and downstream of the clot, or both?

Where does ischemia occur with regards to thrombosis? Upstream and downstream of the clot, or both?

Great question: The immediate effect of ischemia is seen downstream of the vessel, but the process is a complex one. In fact, once the clot develops it promotes extension of the clot upstream and so the most proper answer to your question can in fact be "both". ...Read more

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Do I need to look at how long the symptoms of neurological deficit lasted in cerebral ischemia to know whether this is a TIA or a ischemic stroke?

Do I need to look at how long the symptoms of neurological deficit  lasted in cerebral ischemia to know whether this is a TIA or a ischemic stroke?

Durations: A typical transient ischemic attack lasts about 20-30 minutes in general, but some might be a bit longer. Yet, if the symptoms persist over 24 hrs, almost certainly a stroke and may be visualized on an MRI. Generically, both should be treated in a preventative fashion to curtail recurrence. ...Read more

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I have pcos already have kids unable to conceive suffered ischemia stroke from metformin and hormonal birth control should I try Clomid (clomiphene) or femara?

I have pcos already have kids unable to conceive suffered ischemia stroke from metformin and hormonal birth control should I try Clomid (clomiphene) or femara?

Maybe either: In the us these drugs are only available by prescription, so i'd direct you to ask your own doctor. If they are available without prescription, it's your call. There are risks and side effects you should be aware of, but again its usually with a doctor to guide you. I'm afraid that discussion is not doable in a short online answer. ...Read more

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Grandma has had hemmorage stroke & ems gave her a clot dissolving shot wouldn't this make hemmoragic stroke worse?

Grandma has had hemmorage stroke & ems gave her a clot dissolving shot wouldn't this make hemmoragic stroke worse?

Yes, but . . .: Clot dissolving medications can worsen a hemorrhagic stroke by enlarging the hemorrhage. This medication was most likely given to your grandmother as an attempt to rapidly treat an ischemic stroke. Time is of the essence to preserve brain and such medications need to be given as quickly as possible. It is unusual, however, for EMS to give this medications as this is usually done in ER after CT. ...Read more

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How likely is that a blood clot on a leg causes a stroke?

How likely is that a blood clot on a leg causes a stroke?

Rare: A blood clot affecting a leg rarely causes a stroke. It tends to occur when there is a small hole in the heart, such as a patent foramen ovale, this is something people are born with. It also tends to occur when there is a somewhat large clot in the leg, such as in the femoral vein. Blood clots in leg veins are not a major cause of stroke, like smoking, diabetes and high blood pressure are. ...Read more

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