Acute GI Bleeding Flashcards
What are the signs of upper GI bleeding?
Melaena
Haematemesis
Elevated urea
Epigastric pain/ dyspepsia
What are the signs of lower GI bleeding?
Fresh blood/clots
Magenta stool
Normal urea
Typically painless
What are the most common causes of upper GI bleeds?
Peptic ulcers Gastritis Oesophagitis Erosive duodenitis Varisces No cause found
What causes gastrointestinal varisces?
Portal hypertension
What test(s) should be done in cases of upper GI bleeding?
Upper GI endoscopy
What is diverticular disease?
Protrusion of the inner mucosal lining through the outer mucosal layer to form a pouch.
Divericulosis = prescence
Diverticulitis= inflammation
What are haemarrhoids?
Enlarged vascular cushions around the anus, painful if thrombosed or external. Associated with straining, constipation, low fibre diet. Treated with elective surgery
What investigations can be done in cases of lower GI bleeds?
Lower GI endoscopy (flexible sigmoidoscopy or colonoscopy)
CT angiography
When should small bowel bleeding be considered as a possibility?
When a patient presents with a lower GI bleed, but no colonic cause is found
What investigations can be done when a small bowel bleed is suspected?
CT angiogram
Meckel’s scan
Capsule endoscopy
Double balloon enteroscopy
What features are indicative of haemorrhagic shock?
Tachypnoea Tachycardia Anxiety or confusion Cool clammy skin Low urine output (oliguria) Hypotension