The diagnosis of<unk>  is based on the patient's history. Diagnostic studies must be performed if patient is at high-risk for Barrett's esophagus or if there are alarm signs. The diagnostic study of<unk>  in such cases is an upper endoscopy.
Heartburn Diagnostic Study of Choice
Gastroparesis Diagnostic Study of Choice
Irritable bowel syndrome Diagnostic Study of Choice
CAGE questionnaire
Sleep apnea classification
Heartburn screening
Generalized anxiety disorder classification
Anxiety classification