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Pulmonary arteriovenous malformation: a rare cause of dyspnoea on exertion
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  1. Ankit Mangla1,
  2. Alana Nevares1,
  3. Naser Yamani1,
  4. Najamul Ansari2
  1. 1Department of Internal medicine, John H Stroger Hospital of Cook County, Chicago, Illinois, USA
  2. 2Department of Cardiology, John H Stroger Hospital of Cook County, Chicago, Illinois, USA
  1. Correspondence to Dr Ankit Mangla, ankit.mangla.md{at}gmail.com

https://doi.org/10.1136/bcr-2014-204087

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    Description

    Pulmonary arteriovenous malformation (PAVM) is caused by the abnormal connection between pulmonary arteries and venous systems. First described in 1897 by Churton, PAVM is a rare disease. In an autopsy study in 1953 at Johns Hopkins, only 3 cases of PAVM were detected out of 15 000 consecutive autopsies.1 PAVM are present in 15–50% of patients with hereditary haemorrhagic telangiectasia (HHT),2 also known as Osler-Weber-Render disease; however 70% cases of PAVM are associated with HHT.1

    A 69-year-old woman with a history of hypertension, diabetes, dyslipidaemia and hypothyroidism presented with a history of progressively increasing dyspnoea on exertion over past 3 months. She denied any history of chest pain, palpitations, presyncope or syncope. At …

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