burberry beanie meghan markle|Meghan Markle canada outfits Double Inlet Left Ventricle. Double inlet LV is the most common form of univentricular AV connection. Often, the great vessels are transposed, the aorta comes off a very hypoplastic RV, there is a VSD, and the pulmonary arteries are normally developed. Hypoplastic Left Heart Syndrome. Prevalence. Subscribe