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Etymology: Gk, kardia, heart, oisophagos, gullet; L, refluere, to flow back
a backward flow or regurgitation of stomach contents into the esophagus. Repeated episodes of reflux can lead to esophagitis. Among factors contributing to the condition are stomach pressure greater than esophageal pressure, hiatal hernia, and incompetence of the lower esophageal sphincter.
reflux(re'fluks) [L. re, back, + fluxus, flow]
A return or backward flow. See: regurgitation
cardioesophageal refluxGastroesophageal reflux disease.
gastroesophageal refluxSee: gastroesophageal reflux disease
Distention of the veins of the neck when the liver is compressed during physical examination of the abdomen. Neck vein filling during liver examination commonly is seen in patients with congestive heart failure but also may be a normal finding.
The backward flow of urine up the ureter during urination, instead of downward into the bladder. This condition may cause recurrent urinary tract infections in infants and children and may produce kidney scarring and failure if it is untreated. Depending on the underlying cause, treatment may include endoscopic or open surgical procedures.