The concept of univentricular heart moved from hearts with only one ventricle connected with atria (double inlet ventricle or absent AV connection) to hearts not amenable to biventricular repair. namely hearts with two ventricles unable to sustain separately pulmonary and systemic circulations in sequence. In the latter definition. even hearts with one hypoplastic ventricle are consid... https://www.bekindtopets.com/