Dr Keith Ferguson specializes in pulmonary and critical care medicine. He offers expertise in interstitial lung disease, acute respiratory distress syndrome (ARDS), post-ARDS care and general pulmonology care. Dr Ferguson’s services include outpatient clinical evaluation, pulmonary function tests, bronchoscopy, endobronchial ultrasound with biopsy, and thoracentesis. His research interests include interstitial lung disease and critical care medicine. Dr Ferguson is an assistant professor in the Department of Internal Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, at Saint Louis University School of Medicine.