Hiatal hernia is observed on endoscopy as:

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Multiple Choice

Hiatal hernia is observed on endoscopy as:

Explanation:
Hiatal hernia means part of the stomach pushes through the diaphragmatic hiatus into the chest. On endoscopy this shows the gastroesophageal junction and stomach positioned above the diaphragm, or a portion of the stomach seen within the thoracic cavity. This endoscopic pattern distinguishes it from other problems: a duodenal peptic ulcer would appear as an ulcer in the duodenum, a distal esophageal stricture would present as narrowing of the esophageal lumen, and esophageal varices are dilated veins in the lower esophagus.

Hiatal hernia means part of the stomach pushes through the diaphragmatic hiatus into the chest. On endoscopy this shows the gastroesophageal junction and stomach positioned above the diaphragm, or a portion of the stomach seen within the thoracic cavity. This endoscopic pattern distinguishes it from other problems: a duodenal peptic ulcer would appear as an ulcer in the duodenum, a distal esophageal stricture would present as narrowing of the esophageal lumen, and esophageal varices are dilated veins in the lower esophagus.

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