Regurgitation is the rapid movement of liquids or gases in the opposite direction to the natural observed in the hollow muscular bodies at their reduction. Usually observed in violation of the functions of muscle zhomy these bodies or separation partitions (for example, heart valves), and also in the reverse direction the waves of muscular contractions.
A typical example regurgitation is burping (see). If failure of the mitral or tricuspid heart valve occurs regurgitation of blood from the ventricles into the atrium during systole.
Regurgitation is different from reflux (see) - passive flowing liquids in nearby space due to changes in hydrostatic conditions or violations of separation of environments (for example, between the renal pelvis and blood vessels of the kidney). So, throwing in the esophagus of the stomach contents when it cuts known as gastroesophageal regurgitation, and numb as the contents of the stomach into the esophagus when changing body position from vertical to horizontal - as gastro-esophageal reflux.
Refluxes well identified radiopaque research methods. So were installed pancreatobiliary reflux (numb contrast agent of the pancreatic ducts in the bile ducts), choledocho-pancreatic reflux, pelvis-kidney reflux etc. But reflux contrast agent may be due to technical errors in the study.
In the literature the concept regurgitation and reflux are often incorrectly used interchangeably.
Adult regurgitation and reflux usually show on functional or organic disease. Their presence in itself complicates the course of the disease. Due to, for example, gastroesophageal regurgitate or reflux occurs constant irritation of mucous membrane of the esophagus, leading to the development of reflux esophagitis.
Prevents regurgitation treatment of the underlying disease.

Regurgitation: 1 - retrograde prolapse of the mucous membrane of the stomach into the esophagus with symmetric mushroom filling defect (arrow) of the lower third of the esophagus; Mr. gastroesophageal reflux; flattening of the body of the stomach; rectification of esophago-fundic corner of GIS; 3 - regurgitation when axial sliding hernia hiatal; the esophagus filled with barium.

Regurgitation (from lat. consoles re - against, back and gurgitatus - rushed)- the reverse current of a blood, liquid and gas in the digestive tract and urinary tract, cardiovascular system, the uterus due to organic or functional reasons. Sometimes phenomenon regurgitation (e.g. urinary ways) known as reflux (see).
Regurgitation in cardiovascular system - regurgitation of blood at the failure of the valves of the heart (mitral, aortic, tricuspid) and in some cases low-lying aortic aneurysms (graphically confirm tooth regurgitation on electromiogrammes).
Regurgitation in the digestive tract. 1. Regurgitation content of the esophagus (trigiani, esophageal vomiting) when diverticula, stenosis of various etiology, achalasia cardia, retrograde prolapse of the mucous membrane of the stomach into the esophagus. The latter happens in cases retrograde motion of the mucous membrane under sliding hernia hiatal or increase intra-abdominal pressure. Chest x-ray: some expansion of the lower part of the esophagus with symmetric mushroom filling defect of the lower third of the esophagus with smooth contours (Fig., 1). 2. Regurgitation of the stomach contents to the mouth of the small portions shortly after a meal in the form of involuntary act without nausea and vomiting - gastro-esophageal reflux, clinically manifested also heartburn (often at night, in the horizontal position of the patient or stooping) and the attacks of chest pain. Specifies the x-ray diagnosis, especially with the use of better techniques using barium and food Breakfast (Fig., 2 and 5). 3. Regurgitation of the stomach contents as physiological phenomena in infants. 4. Regurgitation content duodenal ulcer in the stomach. 5. Regurgitation of the caecum in face with the lack of bauhinias flap. 6. Regurgitation of the secret of the pancreas, gall ways (Biliardo-pancreatic reflux).
Regurgitation in the biliary tract. 1. Choledocho-pancreatic reflux in contrast cholangiography in cases of spasm of the sphincter of Oddi, stones in the common bile duct. 2. The transition of the contrast medium from the bile ducts into the bloodstream when cholangiography through a drainage tube in the wrong technique.
Regurgitation in the urinary tract. 1. Pelvis-kidney reflux - reverse problem of contrast, urine, air pielografii of the pelvis in the renal parenchyma. 2. Vesicoureteral reflux-penetration contrast medium from the bladder into the ureter. 3. Urethrotomy reflux - penetration contrast medium from the urethra in the venous network with urethrography.
Regurgitation in the uterus. Uterine-venous reflux - injection venous vessels of the uterus when metrosalpingografii.