erectile dysfunction vasculogenic impotence https://www.malacards.org/card/vasculogenic_impotence MESH:D018783 MEDGEN:69309 DOID:4762 MONDO:0007013 UMLS:C0243000 Inability to achieve and maintain an erection (erectile dysfunction) due to defects in the arterial blood flow to the penis, defect in venous occlusive function allowing blood drainage (leakage) from the erectile tissue (corpus cavernosum penis), or both.