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What is renal artery occlusion?
Renal artery occlusion is a blockage of the major arteries that supply blood to the kidneys caused by thrombosis or embolism.
What would cause ineffective tissue perfussion?
Occlusion that leads to blood supply
Is retinal vein occlusion related to root canal work?
Retinal Vein OcclusionThe central retinal vein is the venous equivalent of the central retinal artery, and like that blood vessel can suffer from occlusion (central retinal vein occlusion), similar to that seen in ocular ischemic syndrome. Since the central retinal artery and vein are the sole source of blood supply and drainage for the retina, such occlusion can lead to severe damage to the retina and blindness, due to ischemia (restriction in blood supply) and edema (swelling). It can also cause glaucoma.
What is an occlusion?
a closure or blockage of a blood vessel.
What is thrombotic occlusion?
A thrombotic occlusion is when a blot clot is formed in a blood vessel that stops most or all blood flow, and causes localized ischemia.
What is the most common symptom of retinal artery occlusion?
The most common symptom of RAO is an acute, painless loss of vision in one eye. The degree of loss depends on the location of the occlusion.
Deficient blood supply to the myocardium is?
Deficient blood supply to the myocardium is: ischemia Ischemia is the medical terms for deficient blood supply to the myocardium. The suffix -emia denotes a blood condition; ischem/o means to hold back. With occlusion from atherosclerosis, the blood flow is restricted, resulting in deficient blood supply.
What is the medical term meaning death of brain tissue from loss of blood supply?
The medical term for death of brain tissue from loss of blood supply is cerebral infarction or ischemic stroke.
What is a retinal artery occlusion?
Retinal artery occlusion refers to the closure of the central retinal artery and usually results in complete loss of vision in one eye.
How does reactive hyperemia work?
Decreased tissue blood flow due to occlusion will result in metabolic vasodilators accumulating in the extracellular fluid. The arterioles will hence dilate but the occlusion will still prevent normal blood flow. The occlusion is then removed and decreased resistance will increase blood flow. As the vasodilators are washed away, the arterioles constrict, and the blood flow returns to normal.
What is coagulative necrosis?
Its the loss of blood supply and the outcome of low amounts of oxygen in your tissue.
Why does blood volume loss cause tachycardia?
Because the heart itself needs a blood supply in order to function. If the heart is starved of its own blood - it will stop.
