diaphragmatic. pertaining to a diaphragm. diaphragmatic hernia protrusion of some of the contents of the abdomen through an opening in the diaphragm and into the chest cavity.The condition may be congenital or acquired. Congenital diaphragmatic hernia in newborns is due to failure of the embryonic diaphragm to fuse.The opening in the diaphragm can be large enough to permit filling of the thoracic cavity with abdominal contents, thus interfering with normal expansion of the lungs.he condition may be congenital or acquired. Congenital diaphragmatic hernia in newborns is due to failure of the embryonic diaphragm to fuse. The opening in the diaphragm can be large enough to permit filling of the thoracic cavity with abdominal contents, thus interfering with normal expansion of the lungs.
1. Unvented space heaters are more efficient than vented space heaters, because none of the heat output goes up the flue. All of the heat output (as well as the combustion gases) stay in your living room. 2. The gains in efficiency are not worth the risks to your health.
Gas heaters are best for heating larger, well-ventilated areas such as a garage or areas outside the house. The two basic types of gas heaters are vented and unvented. Propane. Some require electricity for ignition while others light with a match. Provides heat for hours with 20, 40 or 100 pounds of fuel.