Pulmonary Arteriovenous Malformation (PAVM) is a cardiovascular anomaly in which an anatomic communication between the pulmonary artery and pulmonary vein is formed. resulting in an additional cardiac shunt from right to left side. PAVM is a rare disease. reported more in females. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/western-chaps/