Do I have No Burp Syndrome? Take this quiz to find out if your symptoms could be a sign of R-CPDSelect how well each of the following describes you. I am unable to burp Most of the time Once in a while Not often My stomach gets very bloated Most of the time Once in a while Not often My throat makes gurgling noises Most of the time Once in a while Not often I have excess gas Most of the time Once in a while Not often Diagnosing Retrograde Cricopharyngeus Dysfunction (R-CPD) typically involves an evaluation by a skilled healthcare professional, such as an otolaryngologist also known as an ENT (Ear Nose and Throat) doctor. If you answered “Most of the time” to two or more of the symptoms in the quiz, it might be time to make an appointment to see if treatment is right for you.