... the coronary arteries to result in hypoxia, there has to be an occlusion occurring from either a spasm of the blood vessel wall or lodgment of a blood clot. Usually, the spasm is followed by the blood clot forming in the blood vessel. There can be many factors for the clotting of the blood including nicotine from tobacco or cholesterol. These factors thicken the ... conditions regarding the blood vessel including both artery and vein. These include aneurysms which are caused by weakness in the vessel wall and thrombophlebitis which is an inflammation due to clot formation in the vein, c...

• Word Count: 4566
• Approx Pages: 18
• Grade Level: Undergraduate

... by several mechanisms: the lesion creates a fixed obstruction so that blood flow through the artery cannot increase in response to demands, the vessel lumen becomes completely occluded, or portions of clot or plaque embolize. The growth of obstructive lesions in the coronary arteries cause other blood vessels to provide alternative routes for blood flow to the myocardium. If the blood vessel ... ...

• Word Count: 3107
• Approx Pages: 12
• Has Bibliography

... per minute, while a normal heartbeat is 60 to 100). These fast, irregular signals cause many problems. The atria can no longer pump efficiently and some blood may stay there and clot, which increases the risk of stroke. Atrial fibrillation causes your heart to race and may prevent your heart from pumping enough blood and oxygen to meet your body's needs. Wolff ... ...

• Word Count: 2852
• Approx Pages: 11
• Grade Level: High School