Conditions Treated by Dr. Leigh A. Callahan, MD

• Acidosis
• Alkalosis
• Asthma
• Atelectasis
• Bronchitis
• Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
• Classic Polyarteritis Nodosa
• COPD (Chronic Obstructive Pulmonary Disease)
• Emphysema
• Interstitial Lung Disease
• Lung Cancer
• Metastatic Respiratory System Cancer
• Pleural Effusion
• Pneumoconiosis and Pneumonopathy
• Pneumonia
• Pneumonitis (Due to Solids or Liquids)
• Pulmonary Embolism
• Pulmonary Hypertension
• Respiratory Failure
• Sarcoidosis
• Sleep Apnea