Classification of Functional Gastroesophageal Disorders
| Disorder | Definition |
|---|---|
| Esophageal disorders | |
| A1. Globus | Sensation of a lump, something stuck, or tightness in the throat |
| A2. Rumination syndrome | Regurgitation of recently ingested food into the mouth with subsequent remastication and reswallowing or spitting out, in the absence of structural disease |
| A3. Functional chest pain of presumed esophageal origin | Episodes of chest pain, usually midline, of visceral quality |
| A4. Functional heartburn | Episodic retrosternal burning in the absence of pathologic gastroesophageal reflux, pathology-based motility disorders, or structural explanations |
| A5. Functional dysphagia | Sensation of abnormal bolus transit through the esophageal body, in the absence of structural abnormality, pathologic reflux, or pathology-based motility disturbance |
| A6. Unspecified functional esophageal disorder | |
| Gastroduodenal disorders | |
| B1. Functional dyspepsia | |
| B1a. Ulcer-like dyspepsia | |
| B1b. Dysmotility-like dyspepsia | |
| B1c. Unspecified (nonspecific) dyspepsia | |
| B2. Aerophagia | |
| B3. Functional vomiting |
Modified from (17).