Abdominal Catastrophes Flashcards
what region of the gut gives epigastric pain
foregut
what region of the gut give periumbilical pain
midgut
what region of the gut gives suprapubic pain
hindgut
What is referred pain
Pain perceived at a site distant away from the site causing the pain
What is visceral referred pain
Where visceral pain fibres follow the sympathetic fibres back to the CNS which assumes the pain is coming from these sympathetic fibres so sends the efferent pain signals along the dermatomes of the sympathetic fibres
What pain is felt with gastritis
Epigastric
Why may you get shoulder tip pain with abdominal injury
The injury could irritate the diaphragm which is supplied by the phrenic nerve - therefore pain is also sent over C3/4/5
What pain would you get in acute appendicitis
Peri-umbilical
What is the most common cause of acute gut ischaemia
Embolism caused by atrial fibrillation
What happens to the WBC in acute gut ischaemia
It increases
What is haematemasis
Vomiting up blood
What is melaena
The alteration of blood by digestive enzymes and intestinal bacteria to produce a dark black stool
Where in the GI does bleeding occur to give melaena
Upper GI tract
What is haematochezia
Bright red blood in the stool
Where does bleeding occur with a dudodenal ulcer
Bleeding comes through the erosion of the gastrodudenal artery