Augustine Chung

What every physician needs to know: Pulmonary vasculitis is characterized by inflammation and destruction of pulmonary vasculature with subsequent tissue necrosis. These disorders can be divided into those that are part of a systemic autoimmune vasculitis and secondary cases. Secondary pulmonary vasculitis can be associated with a number of diverse etiologies, including infection, drug reactions,…

What every physician needs to know: Hypersensitivity pneumonitis (HP) is a respiratory disease caused by an exaggerated immune response to inhaled antigens, usually organic in nature. In Europe, it is often referred to as “extrinsic allergic alveolitis.” It can present as acute HP, characterized by acute bouts of fever or dyspnea three to eight hours…