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A 39-year-old member asked:

in embolus strokes, what is the usual source of the embolus?

2 doctor answers5 doctors weighed in
Dr. Cynthia Thaik
Cardiology 31 years experience
bloodclot or chol: Strokes are typically caused by blood clot that formed in the heart or along the arterial circulation. Common causes would be atrial fibrillation (abnormal rhythm leading to stagnant blood), a heart attack or cardiomyopathy causing weak heart and clotting within the heart. Other major source of emboli is atherosclerotic plaques.
Dr. Shadi Abu Halimah
Vascular Surgery 21 years experience
Heart or carotids: Cardiac source or heart in atrial fibrillation or valve disease, carotid artery disease , aortic arch disease, air embolus during catheterization , deep vein thrombosis with pfo.

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A 33-year-old member asked:

What is an embolus?

3 doctor answers5 doctors weighed in
Dr. Sarab Alfata
Family Medicine 20 years experience
In the bloodstream: Embolus: something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli are a detached blood clot, a clump of bacteria, and foreign material such as air.
A 47-year-old member asked:

What is an embolism? What causes it?

1 doctor answer2 doctors weighed in
Dr. Ted King
A Verified Doctoranswered
A US doctor answeredLearn more
Clot that travels: An embolism occurs when a clot (thrombus) that has formed in an artery or a vein that breaks off and travels (an embolus) to a distant vessel where it lodges and causes blockage of the vessel. If it starts in a vein and goes to the lungs, it is a pulmonary embolism. If an embolus travels to the brain, it can cause a stroke. Anywhere there is a blood vessel, an embolism can occur.
A 46-year-old member asked:

In embolus-type strokes, what is the usual source?

3 doctor answers11 doctors weighed in
Dr. Andrew Dutka
Neurology 45 years experience
Heart: Most strokes are associated with hardening of the arteries and formation of clots in the carotid artery in the neck. These produce small emboli to the brain, but when we speak of major embolic strokes, we generally think of origin in the heart, either from atrial fibrillation (abnormal contractions of the top of the heart), heart valves, or loss of movement of the heart wall.
A 41-year-old member asked:

What is the difference between an embolus vs thromboembolism?

1 doctor answer1 doctor weighed in
Dr. Mark Rasak
Cardiology 33 years experience
Nomenclature: An embolus can be any substance. It can be a fat embolus or a cholestrol embolus etc.( an embolus is a material that originates in one part of the body and travels to another and causes a complication such as a cva or pe). A thromboembolus is thrombin based vascilar material that embolizes. .
A 40-year-old member asked:

Is an embolism the cause of a stroke?

1 doctor answer2 doctors weighed in
Dr. Christopher White
Cardiology 43 years experience
Yes: Cerebrovascular embolism of a clot, plaque, tumor, valvular vegetation, or air bubble can cause a stroke by blocking a small brain artery which deprives a portion of the brain tissue its oxygen supply resulting in stroke.

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