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'''Pulmonary embolism''' ('''PE''') is a blockage of the [[pulmonary artery|main artery of the lung]] or one of its branches by a substance that has travelled from elsewhere in the body through the bloodstream ([[embolism]]). Usually this is due to embolism of a [[thrombus]] (blood clot) from the [[deep vein thrombosis|deep veins in the legs]], a process termed [[venous thromboembolism]]. A small proportion is due to the embolization of [[air embolism|air]], [[fat embolism|fat]], talc in drugs of intravenous drug abusers or [[amniotic fluid embolism|amniotic fluid]]. The obstruction of the blood flow through the [[lung]]s and the resultant pressure on the [[right ventricle]] of the heart leads to the symptoms and signs of PE. The risk of PE is increased in various situations, such as [[cancer]] or prolonged [[bed rest]].<cite>Goldhaber></cite> | |||
'''Pulmonary embolism''' ('''PE''') is a blockage of the [[pulmonary artery|main artery of the lung]] or one of its branches by a substance that has travelled from elsewhere in the body through the bloodstream ([[embolism]]). Usually this is due to embolism of a [[thrombus]] (blood clot) from the [[deep vein thrombosis|deep veins in the legs]], a process termed [[venous thromboembolism]]. A small proportion is due to the embolization of [[air embolism|air]], [[fat embolism|fat]], talc in drugs of intravenous drug abusers or [[amniotic fluid embolism|amniotic fluid]]. The obstruction of the blood flow through the [[lung]]s and the resultant pressure on the [[right ventricle]] of the heart leads to the symptoms and signs of PE. The risk of PE is increased in various situations, such as [[cancer]] or prolonged [[bed rest]].< | |||
Symptoms of pulmonary embolism include [[dyspnea|difficulty breathing]], [[pleuritic chest pain|chest pain on inspiration]], and [[palpitation]]s. [[Clinical sign]]s include low blood [[oxygen saturation]] and [[cyanosis]], [[tachypnea|rapid breathing]], and [[tachycardia|a rapid heart rate]]. Severe cases of PE can lead to [[Collapse (medical)|collapse]], [[shock (circulatory)|abnormally low blood pressure]], and [[cardiac arrest|sudden death]].<ref name=Goldhaber/> | Symptoms of pulmonary embolism include [[dyspnea|difficulty breathing]], [[pleuritic chest pain|chest pain on inspiration]], and [[palpitation]]s. [[Clinical sign]]s include low blood [[oxygen saturation]] and [[cyanosis]], [[tachypnea|rapid breathing]], and [[tachycardia|a rapid heart rate]]. Severe cases of PE can lead to [[Collapse (medical)|collapse]], [[shock (circulatory)|abnormally low blood pressure]], and [[cardiac arrest|sudden death]].<ref name=Goldhaber/> | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
<biblio> | |||
#Goldhaber isbn=0071391401 | |||
</biblio> |