partial atrioventricular canal https://rarediseases.info.nih.gov/diseases/4229/partial-atrioventricular-canal https://www.malacards.org/card/atrial_septal_defect_ostium_primum_type Orphanet:1330 MESH:C536112 MONDO:0015275 partial common atrioventricular canal Partial atrioventricular canal (PAVC) is a congenital heart malformation characterized by an atrial septal defect (ASD; ostium primum), clefts of mitral and occasionally tricuspid valves, two separate atrioventricular (AV) valve annuli and an intact ventricular septum. The typical symptoms of PAVC are impaired exercise capacity and exertional dyspnea. SCTID:718216009 partial atrioventricular septal defects MEDGEN:868879 NANDO:2200268 partial AVSD UMLS:C4023290 partial atrioventricular canal defect PAVC GARD:0004229 familial atrioventricular septal defect