Gastrointestinal Bleeds - Summary Notes

G1 Bleeds
Ligament of Treitz end ofDuodenum
Gl Bleed
·
at




Upper separates Upper and Lower G1.




Supply:
od

Coeliac Trunk:supplies Foregut
loesophagus, stomach, 1/2 Duodenum).

Superior Mesenteric
Artery:supplies Midgut
/2 Duodenum. Jejenum, Hleum. Jecum, Asc. Colon, 2/3 Tran. Colon).

Inferior Mesenteric
Artery:supplies Hindgut
11/3 Tran. Colon, Desc. Colon,Sig. Colon, Rectum).


·
88% of GI bleeds stop spontaneously.
GI bleeds and with higher rate than lower Gl bleed.
Upper mortality
·

are more common



of Gl bleed.
Melaena-jetblack, tarry, smelly stool. Sign upper

Risk Factors: VARICES GASTRITIS


Anticoagulant Drugs:NSAIDS, Aspirin, Warfarin
-




Liver Failure/Vitamin K Deficiency impaired clotting.
-


-




Portal
Hypertension/Alcohol-causing varices
-




-


old age
H. Pyloriinfection
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symptoms: GASTRIC ULCER 0 ESO PHAGITIS


Haematemesis:mostly fresh red,
-




coffee ground vomit
usually gastric.
Melaena
-




Anaemia
-




Epigastric pain
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causes:

Desophagitis
-




-varices highest mortality
-




Gastric erosion/Gastritis
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Gastroduodenal Vicers

Cancers
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