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Is NG Aspiration Sensitive and Specific to Detect Upper GI Bleeding?

  • Ainsley Adams
  • Andrew C. MeltzerEmail author
Chapter

Abstract

Nasogastric aspiration or lavage is a commonly used diagnostic test to evaluate for upper GI bleeding in patients with melena or hematochezia. Blood in the nasogastric aspirate provides information on the location and activity of the bleed. Despite its common utilization, the test has limited sensitivity and is very uncomfortable for patients. This article reviews the usefulness, diagnostic accuracy, and prognostic ability of NGA/NGL in the evaluation of acute gastrointestinal bleeding.

Keywords

Nasogastric aspiration 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Emergency MedicineGeorge Washington University School of Medicine & Health SciencesWashington, DCUSA

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