This document provides information about nasogastric or gavage feeding through a nasogastric tube. It defines gavage feeding as using a tube inserted through the nose to artificially feed fluids and nutrients to patients unable to eat orally. The document lists reasons for nasogastric feeding like oral surgery recovery or inability to swallow. It describes advantages like providing all nutrients and medications in adequate amounts safely over long periods. The document provides step-by-step instructions for nasogastric tube feeding and aftercare.