How to find out acidity without analyses

[C]

The dear doctor. It is not pleasant to hand over analyses on findings-out of acidity of a gastritis. Whether it is possible on what or to attributes to define or determine - what acidity at me? Thanks.

[Karshieva Anna]

Kislotoobrazujushchuju function of a stomach define or determine by means of introduction of a stylet with the special gauge in a stomach. Define or determine rn gastric contents. It is called rn-. It is the most reliable way.