Table 4.

Diagnosis of pulmonary hypertension.

Idiopathic pulmonary arterial hypertension
Pulmonary arterial hypertension associated with: (i) Connective tissue diseases (ii) Congenital heart diseases (iii) Portopulmonary hypertension (iv) HIV infection
Left heart disease: (i) Systolic and diastolic dysfunction (ii) Valvular heart disease
Primary lung diseases and/or chronic hypoxia (i) Chronic obstructive pulmonary disease (ii) Interstitial lung disease (iii) Sleep-disordered breathing
Chronic thromboembolism