gi bleeding Flashcards
(40 cards)
what is haematemesis
vomiting of blood
what is melaena
passage of black tarry stools
black is due to blood altered by passage through the gut
what is passage of dark blood and clots without shock due to
lower GI bedding
what is most common cause of serious and life threatening GI bleeding
peptic ulcer
what can cause significant GI bleeding in developing world
viral infections
what are causes of upper GI bleeding
- mallory-weiss syndrome
- gastric ulcer
- duodenal ulcer
- varices
- gastric varices
- gastric carcinoma
what drugs can produce ulcers
- aspirin
- NSAIDs
what scoring is based clinical and endoscopy findings
Rockall score
what scoring is based on plasma urea, haemoglobin and clinical markers
Blatchford score
what is immediate management
stop:
- NSAIDs
- aspirin
- clopidogrel
- warfarin
stopping anti-platelets can. be dangerous and may produce thrombosis
what is done to diagnose
endoscopy
how are varices treated
banding
what else is used for bleeding varices
stenting
treatment for bleeding ulcers
- injection with adrenaline
- endoscopic clipping
- inject thermal coagulation
select 2/3
what should be done
antral biopsies to look for H.pylori
what should be done first for treatment after endoscopy
IV PPI
because it reduces bleeding rates and need for surgery
what is mallory-weiss tear
linear mucosal tear occurring in oesophagogastric junction
what does mallory-weiss tear often follow
bought of coughing or retching
commonly seen after alcoholic ‘dry heaves’
treatment for mallory-weiss tear if any
clipping
surgery with oversewing if tear is really bad but rarely
treatment if patient has chronic peptic ulcer
eradication of H.pylori
what is continued if patient has chronic peptic ulcer and for how long
PPI for 4 weeks to ensure ulcer healing
what is done if bleeding is not under control in patient with peptic ulcer
angiography and embolisation
or
surgery
what is massive bleeding from lower GI tract due to
diverticular disease
or
ischaemic colitis
what are common cause of small bleeds
haemorrhoids
anal fissure