acute GI bleed Flashcards
(33 cards)
major causes of GI bleed
Peptic ulcer disease
Varices
Tumours
Mallory weiss tear
two types of haematemesis
coffee ground
bright red
worse type of bleeding with haematemesis
bright red
upper GI bleeds common in
men and elderly
what do you get with moderate blood loss
hypotension and tachycardia
what do you get with a massive bleed
shock
types of scoring for GI bleed
rockall
blatchford
blatchford criteria
blood urea, haemoglobin and systolic blood pressure
how do you know an ulcer is cancerous
rolled edge
Common side effect of erythromycin
nausea, vomiting, tummy cramps and diarrhoea
how to get rid of clots
Erythromycin
why is Erythromycin good to remove clots
most potent stimulant of the motilin receptor
what is motilin for
increases gastric motility
which duodenal ulcers are more likely to bleed posterior or anterior
posterior
why is posterior more likely to bleed
Pancreaticoduodenal artery
nothing in front of the anterior
whats in the blood we give to patients
no platelets, while cells or plasma
what is the anticoagulant added to blood
sodium citrate
sodium citrate work?
without calcium ions blood cant clot
massive transfusion
one circulating volume in 24 hours
what can go wrong if you give a massive transfusion
dilutional coagulopathy
hypothermia
hypokalaemia
why do you get hypothermia with a transfusion
blood is stored at 4 degrees
why do you get hypokalaemia with a transfusion
in storage potassium moves extracellularly
haematemesis is always
upper GI bleed
what to give for varicel bleed
vassopressin analogue
