unit 2 vocabulary
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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
irregular tangle of vessels, blood flows from the arteries to the veins without the normal capillary system
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
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
a collection of platlets, fibrin & cellular elements attached to the interior wall of a blood vessel.
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.
caused by underlying disease or anatomical abnormality. percipitated by cold or emotional stress & relieved by warmth
THORACIC OUTLET SYNDROME
compression in the brachial plexus or subclavian area which obstructs blood flow. can lead to aneurysm formation.
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
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.
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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