By M. Vaezi

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25). By definition, there is a hiatal hernia present with all Schatzki’s rings. 23 Endoscopy depicting a ringed esophagus. This rare condition is most prevalent in young men, and presents with dysphagia. There are multiple esophageal rings seen on endoscopy, and treatment includes dilation and possible addition of an acid suppressive agent. Complications, such as deep mucosal tears, are more common with treatment of this condition. 24 Histology from an esophageal biopsy in a patient with eosinophilic esophagitis.

They may be unilateral or circumferential. 22) compromising the esophageal lumen. The webs may impinge on the passage of the scope depending on their size. The passage of the scope may also disrupt the webs without the endoscopist being aware. Treatment The most common treatment is Savary dilation over a guidewire, with most physicians using dilators 15 mm or greater in diameter. Webs may persist even following symptom relieving therapy. Other methods of treatment include endoscopic biopsy, balloon dilation, laser ablation, and surgery.

The two circumferential pressure sensors are located 5 and 10 cm from the catheter tip and three unidirectional pressure sensors at 15, 20, and 25 cm from the tip. The four impedance measuring segments, consisting of two ringed electrodes 2 cm apart each, are centered at 10, 15, 20, and 25 cm from the tip. The catheter is inserted transnasally and positioned in the esophageal lumen using stationary pull-through technique so that the most distal pressure sensor is placed at the high pressure zone of LES.

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Esophageal Diseases: An Atlas of Investigation and by M. Vaezi
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