[(GAS-tro-eh-sof-a-JEE-al REE-flux diz-EEZ) Also called GERD. A common disorder marked by frequent or severe heartburn. The burning feeling occurs when stomach acid flows up into the esophagus. ( NCI )]
UMLS (ICD9CM) C0017168 Relation/PAR: DYSKINESIA OF ESOPHAGUS