Conditions Treated by Dr. Donald L. Johnston, MD

• Angina and Acute Coronary Syndrome
• Aortic Aneurysm
• Aortic Ectasia
• Aortic Valve Disease
• Arrhythmias (incl. Atrial Fibrillation)
• Autonomic Disorders
• Cardiomegaly
• Cardiomyopathy
• Carotid Artery Disease
• Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
• Congenital Heart Disease
• Congestive Heart Failure
• Coronary Artery Disease (CAD)
• Heart Attack (Acute Myocardial Infarction)
• Hyperlipidemia
• Hypertension
• Hypertensive Heart Disease
• Hypotension
• Mitral Valve Disease
• Pericardial Disease
• Pulmonary Hypertension
• Septal Defect
• Syncope
• Tricuspid Valve Disease