Gerontology HESI Test The cleansing of the stomach with solution delivered through a nasogastric tube is known as what? Gavage Emesis Lavage Stomach pumping - Lavage Gastric lavage is used to cleanse the stomach of a poison, overdose of medication, or other toxic substance. It is delivered through a nasogastric tube You are providing care to a patient who has recently begun dialysis. Her daughter, with whom she lives and who prepares many of her meals, asks what types of foods she should incorpo...