Reflux

Gastrooesophageal reflux, GER, GOR;
“Reflux refers to involuntary retrograde movement of gastric contents in and out of the stomach, and is often referred as gastroesophageal reflux” (Benninga et al. 2016; Vandenplas et al. 2009). When reflux is high enough to be visualised, it is called regurgitation.