Conditions associated with both intravascular hemolysis and increased risk for pulmonary hypertension.
| Hereditary hemolytic anemia |
| Sickle cell disease |
| Thalassemia |
| Hereditary spherocytosis |
| Hereditary stomatocytosis |
| Pyruvate kinase deficiency |
| Unstable hemoglobin variants |
| Acquired hemolytic anemia |
| Microangiopathic hemolytic anemias |
| Paroxysmal nocturnal hemoglobinuria |
| Schistosomiasis |
| Mechanical heart valves |
| Left ventricular assist devices |
| Cardiopulmonary bypass devices |
| Malaria (?) |
| Hereditary hemolytic anemia |
| Sickle cell disease |
| Thalassemia |
| Hereditary spherocytosis |
| Hereditary stomatocytosis |
| Pyruvate kinase deficiency |
| Unstable hemoglobin variants |
| Acquired hemolytic anemia |
| Microangiopathic hemolytic anemias |
| Paroxysmal nocturnal hemoglobinuria |
| Schistosomiasis |
| Mechanical heart valves |
| Left ventricular assist devices |
| Cardiopulmonary bypass devices |
| Malaria (?) |