I know you can assess placement of an NG tube by testing the pH of gastric residuals and by injecting 30cc of air into tube and aucultating over abdomen. However, I am a little confused about small bore feeding tubes (like Dobhoffs) and gastrostomy tubes (PEG tubes). I am pretty sure you aspirate and check pH to check placement BUT
can you inject 30cc of air and auculate over abdomen such as with an NG? I can't find a clear answer anywhere suprisingly!
Thanks so much