Conditions Treated by Dr. Jonathan B. John, MD

• Aortic Ectasia
• Aortic Valve Disease
• Arrhythmias (incl. Atrial Fibrillation)
• Cardiomegaly
• Cardiomyopathy
• Coarctation of the Aorta
• Congenital Aortic Valve Disorders
• Congenital Heart Disease
• Congestive Heart Failure
• Endocarditis
• Hyperlipidemia
• Hypertension
• Mitral Valve Disease
• Neonatal Bradycardia
• Patent Ductus Arteriosus
• Pericardial Disease
• Primary Pulmonary Hypertension
• Pulmonary Hypertension
• Pulmonary Valve Disease
• Septal Defect
• Syncope
• Systemic Vasculitis
• Tetralogy of Fallot
• Tricuspid Valve Disease