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			          Pulmonary Embolism - NHS Choices
			           
			          Find out what a pulmonary embolism is and what causes it, plus how it's diagnosed, treated and prevented.
			            http://www.nhs.uk/Conditions/pulmonary-embolism/Pages/Introduction.aspx
			         
			       
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			          Pulmonary Embolism (PE) - Merck Manuals Professional Edition
			           
			          Learn about Pulmonary Embolism (PE) symptoms, diagnosis and treatment in the Merck Manual. HCP and Vet versions too!
			            http://www.merckmanuals.com/professional/pulmonary-disorders/pulmonary-embolism-(pe)/pulmonary-embolism-(pe)
			         
			       
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			          What is Pulmonary Embolism? - Medical News Today
			           
			          An embolism is the term that describes a condition where an object called an embolus is created in one part of the body, circulates throughout the body, and then blocks blood flow.
			            http://www.medicalnewstoday.com/articles/153796.php
			         
			       
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			          How Do You Know If It's a Pulmonary Embolism? - Everyday Health
			           
			          Don't ignore shortness of breath and coughed up blood that may mean a blood clot. Quick treatment could save your life.
			            http://www.everydayhealth.com/news/how-do-you-know-if-its-pulmonary-embolism/
			         
			       
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			          Pulmonary Embolism - Vascular Web
			           
			          A pulmonary embolism is a blood clot that forms in a vein, travels through your bloodstream, and lodges in your lungs. A pulmonary embolism is a medical emergency because a large embolism, or sometimes many repeated smaller ones, can be fatal in a short time.
			            https://vascular.org/patient-resources/vascular-conditions/pulmonary-embolism
			         
			       
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			          Pulmonary Embolism: Symptoms and Treatment - Medicine Net
			           
			          Read about pulmonary embolism, a blood clot in the lung. Learn about symptoms, treatment, causes, diagnosis, treatment, prognosis, and prevention.
			            http://www.medicinenet.com/pulmonary_embolism/article.htm
			         
			       
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			          Pulmonary Embolism: Practice Essentials, Background, Anatomy - Medscape
			           
			          Pulmonary emboli usually arise from thrombi that originate in the deep venous system of the lower extremities; however, they rarely also originate in the pelvic, renal, upper extremity veins, or the right heart chambers (see the image below).
			            http://emedicine.medscape.com/article/300901-overview
			         
			       
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			          Pulmonary Embolism: Causes, Symptoms and Diagnosis - Healthline
			           
			          A pulmonary embolism can damage part of the lung due to restricted blood flow, decrease oxygen levels in the blood, and damage other organs.
			            http://www.healthline.com/health/pulmonary-embolus
			         
			       
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			          Pulmonary Embolism - Wikipedia, the Free Encyclopedia
			           
			          Pulmonary embolism (PE) is a blockage of the lung's main artery or one of its branches by a substance that has traveled from elsewhere in the body through the bloodstream (embolism).
			            https://en.wikipedia.org/wiki/Pulmonary_embolism
			         
			       
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			          Pulmonary Embolism: MedlinePlus
			           
			          A pulmonary embolism is a sudden blockage in a lung artery. The cause is usually a blood clot in the leg called a deep vein thrombosis that breaks loose and travels through the bloodstream to the lung. Pulmonary embolism is a serious condition that can cause
			            https://www.nlm.nih.gov/medlineplus/pulmonaryembolism.html
			         
			       
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			          Pulmonary Embolism-Topic Overview - WebMD
			           
			          Information on pulmonary embolism, the sudden blockage of an artery in the lung.
			            http://www.webmd.com/lung/tc/pulmonary-embolism-topic-overview
			         
			       
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			          Pulmonary Embolism - Mayo Clinic
			           
			          Pulmonary embolism - Comprehensive overview covers symptoms, causes, prevention and treatment of this condition related to blood clots.
			            http://www.mayoclinic.org/diseases-conditions/pulmonary-embolism/basics/definition/con-20022849