cardiological studies of 16 patients with atresia of the pulmonary artery ( apa ) and intact interventricular septum ( iis ) provided evidence for the following inferences : 1 ) most hearts in this pathology are characterized by right ventricular ( rv ) hypoplasia which determines structural defects of the ventricle dependent in their severity on restriction capacity of the right atrioventricular valve and time from the onset of reduced rv blood flow 2 ) common anatomical features of the defect are complete rv obstruction due to valvular atresia , iis and normal shape of the conus , rv myocardial hypertrophy 3 ) survival of the patients conditioned by interatrial communication and open arterial canal .
C0018787
hearts
C0040960
right