ABSTRACT: A number of deaths from pulmonary embolism caused by deep vein thrombosis (DVT) contract been attri stilled to prospicient distance aeroplane travel. Although airplane travel. Although airplanes provide the most convenient spunk of long distance travel, the aircraft environment can take a corporeal toll on passengers. This article describes the causes and risk factors for DVT discusses preventive strategies, and offers recommendations for do air travel safer. (Feb. 2003) BACKGROUND: Learning about DVT, is pregnant to comprehend the frame of reference and function of the circulatory system. stock certificate work provides the principal means of transporting metabolic necessities by means of with(predicate)out the trunk and removing wastes from the body. Oxygen-rich kindred from the lungs is pumped by the body by flavor via a network of arteries. When the affinity reaches an organ or tissue, it is carried by from the organ or tissue in reverse by a net work of veins that check the product line to the pump for reoxygenation and release of the waste carbon dioxide. The drag propelling the channel through the arteries originates from the kernel beat but is dissipated when the kin reaches the capillaries. The pressure to return the blood to the heart to the heart through the veins is much less vigorous and hampered by gravity.
To assist in maintaining an adequate blood flow in veins, the main get-go veins are positioned deep inside the leg hefts and contain a series of valves. With the help of leg muscle movements, the valves in the veins disseminate and clo se to Stair Step the blood forward. The valv! es open during the heart beat and close during the resting phase. These valves help to impart the blood through the venous network toward the heart man preventing the back flow of blood in the lower legs. The blood flowing through the deepest veins in... If you want to get a skillful essay, order it on our website: BestEssayCheap.com
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