LGIB Flashcards
What’s the cut off point between UGI and LGI?
Ligament of treitz
At what point is LGIB significant?
If the blood loss is >10ml a day
What is the presentation of LGIB?
Hematochezia
What is Hematochezia?
Red blood stool, contrary to melena
Diff between massive and moderate bleeding?
Massive is lots of blood, not Hematochezia, are hemodynamically unstable, and require blood transfusions
Most common cause of lower GI bleeding?
Diverticulosis
What is the cause of painless large volume bleeding?
Diverticular bleeding
Cause of bloody diarrhea and abdominal cramps?
IBD
Should brown stools be streaked with blood, what would it suggest?
That the source is in the anus
Maroon coloured stools mean where’s the source?
Right colon or small intestine
What is the gold standard for Lower GI scans?
Colonoscopy
What would a CT angiography benefit?
The bleeding rate
Stable bleeds are risk assessed via which tool?
Oakland score
An Oakland score of 8+ means?
95% probability of safe discharge, I.E all good
What do we do for hemodynamically stable patients with LGIB?
An RBC transfusion
What’s the value of colonoscopy?
Detecting the source of bleeding
CT angiography is only preferred in…?
Hemodynamically significant hematochezia ONLY
When we detect source of bleeding, what do we do?
Refer patient for ateriography and embolization
What’s obscure git bleeding?
Bleeding of a source that can’t be identified via endoscopy
How we do detect obscure git bleeding?
CT scan
If we do infact find obscure bleeding, what do we do next?
A video endoscopy
