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  • Title: Double contrast upper gastrointestinal studies.
    Author: Hunt JH, Anderson JF.
    Journal: Clin Radiol; 1976 Jan; 27(1):87-97. PubMed ID: 1261204.
    Abstract:
    A technique for routine hyptonic double-contrast studies of the upper gastrointestinal tract is described. It is emphasized that, to achieve consistent success, the principles of the technique must be understood and applied at the time of the examination. The various factors producing the barium coating effect are described. Gas distension and bubble control are also described. Where applicable, the principles and projections are demonstrated by examples. Endoscopy with biopsy has added a new dimension of accuracy to diagnosis and is replacing barium studies for acute upper gastrointestinal haemorrhage. Accurate barium studies are important as a screening test of other symptomatology to select patients for further clarification by endoscopy.
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