Table 1.

Pulmonary Hypertension Due to Lung Diseases and/or Hypoxia^a

Obstructive lung disease

Restrictive lung disease

Other lung disease with mixed restrictive/obstructive pattern

Hypoxia without lung disease

Developmental lung disorders

Note: ^aFrom the Pulmonary Hypertension Classification updated at the 6th World Symposium on Pulmonary Hypertension, Nice, France, 2018.