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ATHEROSCLEROSIS
the formation of plaque in the lumen of blood vessels, causing a narrowing of the channel, resulting in a decreased blood supply to a stricture
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ARTERIOVENOUS MALFORMATION
irregular tangle of vessels, blood flows from the arteries to the veins without the normal capillary system
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ANEURYSM
localized dilation in the wall of a blood vessel
- Saccular - localized bulge innvolving one side only
- Fusiform - bulging of the entire circumference of the vessel wall
- Dissectiong - tears or separation of the vessel wall. allows blood to flow between the layers
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EMBOLUS
a foreign object that can circulate in the blood stream, potentially becoming lodged in a vessel. it can be a blood clot or other substance
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THROMBUS
a collection of platlets, fibrin & cellular elements attached to the interior wall of a blood vessel.
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RAYNAUD'S DISEASE
idiopathic disease characterized by bilateral pallor & cyanosis of the fingers. rarely occur in the feet. precipitated by cold & emotional upset. relieved by warmth. occurs almost exclusively in women, especially those experiencing tension & emotional pressure.
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RAYNAUD'S PHENOMEN
caused by underlying disease or anatomical abnormality. percipitated by cold or emotional stress & relieved by warmth
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THORACIC OUTLET SYNDROME
compression in the brachial plexus or subclavian area which obstructs blood flow. can lead to aneurysm formation.
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SUBLCLAVIAN STEAL SYNDROME
the flow of blood to the upper extremitity from the ipsilateral vertebral artery as a result of a subclavian artery stenosis. can cause cerebral ischemia
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MARFAN'S SYNDROME
a connective tissue disorder. inherited & affects many parts of the body. often tall & thin with tapering fingers, long arms & legs. the walls of the major arteries are weakend. prone to aortic dissection & aneurysm.
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LERICHE SYNDROME
blockage of inftatenal aorta associated with atherosclerosis. symptoms include buttock and thigh pain and or calf claudication and impotence in males
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