A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel for engines, oxy-gas torches, portable stoves, and residential central heating. Propane is one of a group of liquefied petroleum gases (LP gases).
Signs and symptoms of appendicitis may include: 1  Sudden pain that begins on the right side of the lower abdomen. 2  Sudden pain that begins around your navel and often shifts to your lower right abdomen. 3  Pain that worsens if you cough, walk or make other jarring movements.  Nausea and vomiting.
This is most commonly infectious in origin but can occur due to other causes as well. Pain in appendicitis is usually sharp and starts in the periumbilical area (area around the umbilicus) and later shifts to the right lower zone.