Nikolas
Created page with "Vomiting is the most frequent disorder of gastric emptying. It’s a defence mechanism used to get rid of potentially dangerous substances. It’s commonly preceded by nausea. Parasympathetic tone always increases during vomiting. Vomiting involves closing the pylorus, retroperistaltic movements in the intestines, high abdominal pressure, and opening of the cardia and lower oesophageal sphincter. The increased abdominal pressure comes from the contracting abdominal musc..."