Figure 3From: Hemodynamic and clinical onset in patients with hereditary pulmonary arterial hypertension and BMPR2 mutationsPedigree trees of familial PAH cases without mutation. The figure represents pedigree trees of familial cases without mutation in BMPR2, ACVRL1, ENG, and SMAD8 (family S1490; family S1644 and family K8139). The index patient of each family is marked by an arrow. The father of the index patients in family S1644 also died quite young with an age of 47 due to an accident.Back to article page