Agreement Between Epigastric Auscultation and pH Measurement in the Confirmation of Nasoenteral Tube Placement.
Joana Márcia Martins DuarteAriane Ranzani RigottiMayara Carvalho Godinho RigobelloRosana Aparecida PereiraFernanda Raphael Escobar GimenesPublished in: Florence Nightingale journal of nursing (2023)
The pH measurement did not allow for distinguishing between gastric and enteric positioning, due to the similarity of the esophageal and pulmonary pH with the pH of the intestine. Furthermore, external factors such as the use of medication and reduced fasting time may interfere with the pH value.