Upper Gastrointestinal Endoscopy Overview
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Questions and Answers

What is the primary aim of upper gastrointestinal endoscopy?

To investigate and diagnose the lining of the esophagus, stomach, and duodenum, as well as any other abnormality in the area.

The patient must be sedated before a gastrointestinal endoscopy.

False (B)

What must be avoided during intubation?

  • Valleculae (correct)
  • The trachea
  • The pharynx
  • Cricopharyngeus muscle
  • Epiglottis
  • Which of these is not a component of the basic procedure for a gastrointestinal endoscopy?

    <p>Intubation (B)</p> Signup and view all the answers

    Which of these could be an abnormality found in the esophagus?

    <p>Varices (B), Diverticula (C), Food bolus (D), Ulcers (E)</p> Signup and view all the answers

    What is the common name for the squamo-columnar junction in the esophagus?

    <p>Z-line</p> Signup and view all the answers

    What is the name for the procedure used in neoplastic diagnosis that involves injecting a substance into the submucosal layer?

    <p>Submucosal injection</p> Signup and view all the answers

    Which of these are used in neoplastic therapy?

    <p>EMR (B), ESD (C), Ablation (D), Dilation (E), Stent (F)</p> Signup and view all the answers

    What is the procedure called where a small piece of tissue is removed for examination under a microscope?

    <p>Optical biopsy (A)</p> Signup and view all the answers

    What imaging technique involves using a special probe that emits sound waves to provide detailed images and information about the layers and structures of the digestive tract?

    <p>Endoscopic Ultrasound (EUS)</p> Signup and view all the answers

    Flashcards

    Upper Gastrointestinal Endoscopy

    A procedure where a long, flexible tube with a camera is inserted into the esophagus to examine the upper digestive tract.

    Fasted Patient

    This refers to a patient who has not eaten or drank for a set period before the procedure.

    Good Throat Anaesthesia

    This involves numbing the back of the throat to minimize discomfort during the procedure.

    Good Nasal Anaesthesia

    This involves numbing the nasal passage, allowing the endoscope to be inserted through the nose.

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    Sedated Patient

    A medication like midazolam or propofol is used to induce a state of sleepiness during the procedure.

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    Intubation

    A flexible tube with a light and camera is inserted into the patient's mouth, guided down the esophagus, and into the stomach.

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    Intubation under Vision

    The endoscope is inserted under direct visual control, allowing the physician to see the path and track any potential blockages.

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    Inlet Patch/es

    The initial part of the esophagus, where the tube enters.

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    Z-Line or Squamo-Columnar Junction (SCJ)

    The junction between the squamous epithelium and the columnar epithelium of the esophagus.

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    Strictures

    A narrowing or constriction of the esophagus.

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    Achalasia

    A condition where the muscle at the bottom of the esophagus is weak or doesn't work properly.

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    Diverticula

    An abnormal outpouching or bulge in the esophageal wall.

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    Esophagitis

    A condition where the lining of the esophagus becomes damaged or inflamed.

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    Oesophago-Gastric Junction (OGJ) or TGF

    The connection between the esophagus and the stomach.

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    Varices

    An abnormal widening of blood vessels in the esophagus, often associated with liver disease.

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    Barrett's Esophagus

    An area of abnormal tissue growth in the esophagus, often associated with acid reflux.

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    Tumours

    Abnormal growths or masses within the esophagus.

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    Endoscopic Mucosal Resection (EMR)

    A method to remove a lesion or polyp in the esophagus.

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    Endoscopic Submucosal Dissection (ESD)

    A method to remove a lesion or polyp in the esophagus, with a larger scope of removal.

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    Dilatation

    This is used to widen narrowed areas in the esophagus, often used for strictures.

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    Study Notes

    Upper Gastrointestinal Endoscopy

    • Aim: The aim of upper gastrointestinal endoscopy is to put patients' minds at ease, aid surveillance, identify diseases early, and allow for treatment.

    Basics

    • Patient Preparation: Patients typically fast before the procedure and a medical history of comorbidities is documented.
    • Anesthesia: Endoscopy can be performed with various levels of anesthesia, including awake patients with good throat or nasal anesthesia (trans-nasal), or sedation with medication like midazolam or propofol.
    • Monitoring: Oxygen, pulse oximetry, and blood pressure are monitored during the procedure.

    Intubation

    • Visual Guidance: Intubation is performed under direct vision.
    • Airway Examination: The procedure involves examining the pharynx, upper airways, epiglottis, and cricopharyngeus muscle.
    • Avoidance: The valleculae should be avoided during the procedure.

    Oesophagus

    • Mucosal Features: The mucosa is typically pearly white with visible, vascular markings and possible glycogen granules.
    • Indentations: Indentations from surrounding structures like the left bronchus and left atrium may be present.
    • Junction: The squamo-columnar junction (Z-line), and the oesophagic-gastric junction (OJG or TGF) are key anatomical regions.

    Abnormalities

    • Structural Problems: Webs, diverticula, strictures (including achalasia), inflammation, Barrett's, ulcers, and tumours are potential abnormalities.
    • Vascular Conditions: Varices and vascular lesions, such as Dieulafoy lesions, are also relevant.
    • Other Concerns: Food boluses and foreign bodies might be discovered.

    Stomach

    • Common Issues: Hiatal hernia, varices, gastritis, ulcers, and tumours are observed in the stomach's lining.
    • Vascular Lesions: Vascular lesions, like Dieulafoy lesions, are of concern.

    Neoplastic Diagnosis

    • Diagnostic Techniques: Scope features (using methods like AF, NBI, FICE, iScan), dyes (like methylene blue, Lugol's, and acetic acid), submucosal injection, magnification, and confocal endoscopy can be utilized.
    • Biopsy: An optical biopsy and EUS are important procedures.

    Neoplastic Therapy

    • Treatment: Procedures like dilatation, EMR (Endoscopic mucosal resection), ESD (Endoscopic submucosal dissection), stenting, and ablation are available treatment options.

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    Related Documents

    Upper GI Endoscopy - JEA PDF

    Description

    This quiz covers the essential aspects of upper gastrointestinal endoscopy including patient preparation, anesthesia options, and intubation techniques. It aims to familiarize participants with the procedure's goals, monitoring requirements, and specific focus areas such as the esophagus. Perfect for medical students or healthcare professionals looking to reinforce their knowledge.

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