internal medicine gastroenterology internal medicine gastroenterology
| Upper gastrointestinal bleed |
| Prevalence Causes Clinical features Investigations Therapy Prevention Prognosis |  |
Ask how long a nasogastric tube has been in-situ b 
Why? A nasogastric tube in-situ for 6 or more days increases the risk of upper GI bleeding
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Expiry date: July 2003
Levels
of Evidence used in grading these guides
| Author | A Townsend , CM Ball |
| Reviewer | L Friedman |
| CAT Writers | A Townsend , CM Ball , CJ Wotton |