[The importance of functional tests in gastroesophageal reflux disease diagnosing, monitoring and treatment].

Gastroesophageal reflux disease has become recently an important question, especially in developed countries. Untreated or improperly treated could in chronic disease or can lead to serious complications including esophageal cancer. Early diagnosis establishment basing on clinical symptoms and diagnosing methods. Typical signs of gastroesophageal reflux diseases are acidity, regurgitation, especially after heavy meals or body position change. Those signs are basic for diagnosing establishment. It is recommended to introduce empiric treatment and more diagnostics should be employed if the treatment is not successful. Among diagnosing methods constant development is taking place what is associated with technology progress along with clinical trials. Authors in the paper basic diagnosing tools are presented showing their possibilities and limitations. Proper use of those diagnosing tools that should lead to quick diagnosis establishment.