CausesĭVT and PE can be caused by reduced blood flow as a result of immobility and lack of movement in the legs, and also by damage or compression of the vein wall, for example during surgery. If a piece of clot breaks off, it can travel to the lung and cause a pulmonary embolism or PE. So what is a deep vein thrombosis and what causes it?Ī deep vein thrombosis or DVT is a blood clot forming in the deep veins of the body, usually the leg. When people stopped sitting in deck chairs, the problem was reduced. In 1940, the medical journal “The Lancet” reported that fatal blood clots in the lung called “pulmonary emboli” occurred in people who sat still or slept for prolonged periods of time in deck chairs. In the Second World War, during the Blitz, people took refuge in the London Underground and in air raid shelters. This information video is about the risks of blood clots after hospital admission, how to reduce the risks and how to recognise when a clot is forming.Įven before we knew about blood clots caused by plane travel and hospital admission, we knew that some things increased the risk of blood clots. Many of you will have heard about the risk of deep vein thrombosis after long haul flights because of scare stories in the media.īlood clots after flights are actually more rare than you might think, but what you may not realise is that blood clots after hospital admission are over 10 times more common than after long haul flights.
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