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  2. Endoscope - Wikipedia

    en.wikipedia.org/wiki/Endoscope

    Capsule endoscopy Capsule endoscopes are pill-sized imaging devices that are swallowed by a patient and then record images of the gastrointestinal tract as they pass through naturally. Images are typically retrieved via wireless data transfer to an external receiver.

  3. Endoscopy - Wikipedia

    en.wikipedia.org/wiki/Endoscopy

    An endoscopy is a simple procedure that allows a doctor to look inside human bodies using an instrument called an endoscope. A cutting tool can be attached to the end of the endoscope, and the apparatus can then be used to perform minor procedures such as tissue biopsies, banding of oesophageal varices or removal of polyps.

  4. Esophageal food bolus obstruction - Wikipedia

    en.wikipedia.org/wiki/Esophageal_food_bolus...

    An esophageal food bolus obstruction is a medical emergency caused by the obstruction of the esophagus by an ingested foreign body.. It is usually associated with diseases that may narrow the lumen of the esophagus, such as eosinophilic esophagitis, Schatzki rings, peptic strictures, webs, or cancers of the esophagus; rarely it can be seen in disorders of the movement of the esophagus, such as ...

  5. Gastrointestinal bleeding - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_bleeding

    Early endoscopy decreases hospital and the amount of blood transfusions needed. [4] A second endoscopy within a day is routinely recommended by some [16] but by others only in specific situations. [22] Proton pump inhibitors, if they have not been started earlier, are recommended in those in whom high risk signs for bleeding are found. [4]

  6. Upper gastrointestinal bleeding - Wikipedia

    en.wikipedia.org/wiki/Upper_gastrointestinal...

    Upper endoscopy within 24 hours is the recommended treatment. [ 15 ] [ 23 ] The benefits versus risks of placing a nasogastric tube in those with upper gastrointestinal bleeding are not well known. [ 15 ]

  7. Colonoscopy - Wikipedia

    en.wikipedia.org/wiki/Colonoscopy

    The examination of the colon, to rule out a lesion contributing to blood loss, along with an upper gastrointestinal endoscopy (gastroscopy) to rule out oesophageal, stomach, and proximal duodenal sources of blood loss. Fecal occult blood is a quick test which can be done to test for microscopic traces of blood in the stool. A positive test is ...

  8. Therapeutic endoscopy - Wikipedia

    en.wikipedia.org/wiki/Therapeutic_endoscopy

    Therapeutic endoscopy is the medical term for an endoscopic procedure during which treatment is carried out via the endoscope. This contrasts with diagnostic endoscopy , where the aim of the procedure is purely to visualize a part of the gastrointestinal , respiratory or urinary tract in order to aid diagnosis .

  9. Acute esophageal necrosis - Wikipedia

    en.wikipedia.org/wiki/Acute_esophageal_necrosis

    The symptoms vary from the severity of the disorder. The most classic sign of AEN is the dark pigmentation of esophageal mucosa in an upper endoscopy, usually viewed as an ulcer or as an infectious disease. [6] Necrosis can be found mostly between the three distals of the esophagus, but stops abruptly at the gastroesophageal junction. [2]