title: Fan-shaped shadows due to pulmonary artery catheters: heparin prophylaxis.
mesh_terms: D002404:Catheterization / Q000009:adverse effects*; D006493:Heparin / Q000627:therapeutic use*; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011651:Pulmonary Artery; D011859:Radiography; D013923:Thromboembolism / Q000517:prevention & control
chemical_list: D006493:Heparin