What Conditions Are Associated with Pulmonary Hypertension?

Pulmonary hypertension is classified based on underlying conditions that cause elevated lung pressure. Conditions associated with pulmonary hypertension include:

  1. Pulmonary arterial hypertension (PAH). This type of pulmonary hypertension is known to respond to specialized medications. It can be idiopathic (no known underlying cause), run in families (hereditary), or be caused by a medicine (some diet drugs and amphetamines) or medical condition such as:  
  2. Pulmonary hypertension due to left heart disease  
  3. Pulmonary hypertension due to lung disease or sleep disordered breathing  
  4. Chronic thromboembolic pulmonary hypertension  

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