It's performed to correct single ventricle birth defect. The normal heart has fours chamber - two upper atria and two lower ventricles. With single ventricle there is either a comlpete absence of a second ventricle or it is underdeveloped. Cauterization creates a second ventricle or enlarges a poorly developed one. Source(s): I'm a nurse.
Trivet definition, a small metal plate with short legs, especially one put under a hot platter or dish to protect a table. See more.
Duvet is the name of a bag filled with feathers, down, or other natural stuffing. A bedding duvet cover is a type of blanket for a bed and can be compared to a large pillowcase for your duvet or comforter. The bedding duvet covers button, snap, zip or tie at the top allowing for the insert to stay inside.