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Laboratory investigation showed high erythrocyte sedimentation rate and C reactive protein, leucocytosis, anaemia, mild thrombocytopaenia, renal impairment, hyperbilirubinaemia and abnormal liver function tests; arterial blood gas analysis showed respiratory alkalosis with severe hypoxia. Thoracic X-ray revealed bilateral pulmonary infiltrates, whereas abdominal and heart ultrasound detected hepatomegaly and small pericardial infusion, respectively. The diagnosis of leptospirosis along with acute respiratory distress syndrome was confirmed by positive IgM <jats:italic>Leptospira<\/jats:italic> antibodies. Empirical treatment with triple antibiotic therapy and corticosteroids was applied. The patient was discharged after 1\u2009week, without any symptoms and with almost normal laboratory tests.<\/jats:p>","DOI":"10.1136\/bcr-2019-229350","type":"journal-article","created":{"date-parts":[[2019,5,31]],"date-time":"2019-05-31T08:15:22Z","timestamp":1559290522000},"page":"e229350","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Weil\u2019s disease with haemoptysis and acute respiratory distress syndrome"],"prefix":"10.1136","volume":"12","author":[{"given":"Afroditi","family":"Roumpou","sequence":"first","affiliation":[{"name":"Internal Medicine, Argolidos General Hospital, Nafplion, Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ioanna","family":"Papaioannou","sequence":"additional","affiliation":[{"name":"Internal Medicine, Argolidos General Hospital, Nafplion, 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