Nasogastric lavage and<unk> GI endoscopy are other diagnostic studies that are helpful in the diagnosis of<unk>  gastrointestinal bleeding. Evidence of old (brown colored or 'coffee grounds') or fresh blood documents on nasogastric lavage indicates the presence of UGIB.
Upper gastrointestinal bleeding other diagnostic studies
Lower gastrointestinal bleeding other diagnostic studies
Lower gastrointestinal bleeding other imaging findings
Upper gastrointestinal bleeding other imaging findings
Lower gastrointestinal bleeding differential diagnosis
Gastrointestinal varices other diagnostic studies
Lower gastrointestinal bleeding laboratory findings
Small intestine cancer other diagnostic studies