[Gastric vs. supragastric belching, singultus, aerophagia, and differential diagnoses : An interdisciplinary perspective for otorhinolaryngologists].

Belching is the act of expelling air from the stomach or esophagus into the pharynx. Although the process is regarded as physiological, excessive belching might be associated with a significant burden for affected patients in the sense of a belching disorder. Diagnosis of a belching disorder is often challenging, and its differentiation from other conditions such as rumination syndrome, singultus, or aerophagia can be difficult.

[Help, I can't burp! A brief overview and case discussion of retrograde cricopharyngeal dysfunction].

In this short communication, we discuss the recently described syndrome of retrograde cricopharyngeal dysfunction (R-CPD) with its first description in 2019 by the laryngologist Dr. Bastian. Diagnosis is generally based on typical clinical symptoms, e.