
Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Lower gastrointestinal bleeding classification
Introduction
Overview
Overview
Lower gastrointestinal bleeding can be classified into occult, moderate and severe bleeding based on the severity of bleeding.
Classification
Classification
Lower GI bleeding can be classified into 3 groups based on the severity of bleeding:[1][2][3][4][5][6]
- Occult lower GI bleeding
- Moderate lower GI bleeding
- Severe lower GI bleeding
| Severe lower GI bleeding | Moderate lower GI bleeding | Occult lower GI bleeding | |
|---|---|---|---|
| Age | > 65 years | Occur at any age | Any age |
| Presenting symptoms | Hematochezia or bright red blood per rectum. | Hematochezia or melena | Symptoms of anemia (fatigue, tiredness) |
| Hemodynamics | Unstable | Stable | Stable |
| Lab findings | Hemoglobin equal to or less than 6 g/dl. | Microcytic anemia | Microcytic hypochromic anemia due to chronic blood loss. |
| Differential |
References
References
- ↑ Lee EW, Laberge JM (2004). “Differential diagnosis of gastrointestinal bleeding”. Tech Vasc Interv Radiol. 7 (3): 112–22. PMID 16015555.
- ↑ Raju GS, Gerson L, Das A, Lewis B (2007). “American Gastroenterological Association (AGA) Institute medical position statement on obscure gastrointestinal bleeding”. Gastroenterology. 133 (5): 1694–6. doi:10.1053/j.gastro.2007.06.008. PMID 17983811.
- ↑ Rockey DC (2010). “Occult and obscure gastrointestinal bleeding: causes and clinical management”. Nat Rev Gastroenterol Hepatol. 7 (5): 265–79. doi:10.1038/nrgastro.2010.42. PMID 20351759.
- ↑ Rockey DC (2005). “Gastrointestinal bleeding”. Gastroenterol. Clin. North Am. 34 (4): 581–8. doi:10.1016/j.gtc.2005.08.002. PMID 16303571.
- ↑ Green BT, Rockey DC (2003). “Acute gastrointestinal bleeding”. Semin. Gastrointest. Dis. 14 (2): 44–65. PMID 12889580.
- ↑ Rockey DC (1999). “Occult gastrointestinal bleeding”. N. Engl. J. Med. 341 (1): 38–46. doi:10.1056/NEJM199907013410107. PMID 10387941.
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]
