Conditions Treated by Dr. Troy A. Johnston, MD

• Aortic Aneurysm
• Aortic Valve Disease
• Arrhythmias (incl. Atrial Fibrillation)
• Autonomic Disorders
• Cardiomegaly
• Cardiomyopathy
• Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
• Coarctation of the Aorta
• Congenital Aortic Valve Disorders
• Congenital Heart Disease
• Congestive Heart Failure
• Endocarditis
• Kawasaki Disease
• Mitral Valve Disease
• Patent Ductus Arteriosus
• Pericardial Disease
• Pulmonary Hypertension
• Pulmonary Valve Disease
• Septal Defect
• Systemic Vasculitis
• Tetralogy of Fallot
• Tricuspid Valve Disease