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Arteriovenous malformation is a rare and difficult to diagnose cause of chronic hypoxemia. Pulmonary arteriovenous malformation (PAVM) is an abnormal connection between pulmonary arteries and veins. Frequent clinical manifestations of this abnormality include hypoxemia, hemorrhage and complications from distant embolization, including stroke and brain abscesses. The aim of our work was to demonstrate a clinical case of this rare and potentially fatal disease. Conclusion. This clinical observation demonstrates the difficulties of diagnosing PAVM. The diagnostic search for chronic hypoxemia has to include an abnormality of the pulmonary vessels.
Chinyakova et al. (Thu,) studied this question.