Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm

Pulmonary Arterial Hypertension

 • Idiopathic

 • Associated with:

     - Connective Tissue Disease

     - Portal Hypertension

     - Congenital Heart Disease

     - HIV

Left-Sided Heart Dysfunction:

 • Systolic

 • Diastolic

 • Valvular

Lung Disease and/or Hypoxemia:

 • COPD

 • Interstitial Lung Disease

 • Sleep-Disordered Breathing

Miscellaneous:  

 • Hematologic Disorders

 • Metabolic Disorders

Chronic Thromboembolic Disease



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