Lung infarction. Gross clinical specimen of a sectioned lung showing an area of tissue death (infarction) caused by an embolism. The dead tissue is at lower centre. A pulmonary embolism is a blockage in one of the branches of the pulmonary artery,which carries blood to the lungs to pick up oxygen. A blockage in this artery can be quickly fatal. It may be a blood clot (thrombus),air bubble or mass of cancerous cells. If it blocks a small branch,symptoms may include chest pain,shortness of breath and dizziness. Anticoagulant drugs can be taken if the embolus is a blood clot. Surgery to remove the blockage may be performed in other cases | |
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