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.
A large bore double lumen nontunneled catheter is most often used when an immediate need for hemodialysis arises (eg, acute kidney injury, thrombosed hemodialysis access, poisoning). If dialysis for more than a week or so is likely, a cuffed, tunneled catheter should be used instead.