Nasogastric tube: Placement of a skinny, flexible tube with the nose and down in the belly. This also relieves strain to the belly and allows it heal. Urea breath examination. This checks to discover how much carbon dioxide is within your breath after you exhale. You may swallow a urea pill https://www.sgvascularctr.com/do-i-need-chronic-leg-ulcer-treatment-in-singapore/