Definition and classification: Pulmonary hypertension (PH) is a group of life-threatening progressive diseases of various genesis. characterized by a progressive increase in arterial pressure (AP) in the pulmonary artery (PA). the remodeling of pulmonary vessels. which leads to an increase in pulmonary vascular resistance and pulmonary arterial pressure and more often leads to right v... https://www.gulfcoastpetsuppliers.shop/product-category/bark-control/