Acute abdomen Flashcards
What colour is bile?
golden yellow
What does coffee ground vomit suggest?
bleeding from stomach
What does peritonitis feel like?
rigid abdomen
What does generalised peritonitis feel like?
board-like
What is Rovsig’s sign?
when you press left side of abdomen pain is felt in the right which indicates appendicitis
When are bowel sounds useful?
tinkling in obstruction
What signs of pancreatitis can be seen on examination?
cullens sign (periumbilical bruising) and grey turner sign (flank bruising)
What approach is used for most acute abdomen surgeries ?
midline laparotomy
What blood tests should be performed on all acute abdomen admissions?
fbc u+es lft calcium CRP lactate AMYLASE
What two diagnoses must be excluded in acute abdomen?
pancreatitis
ruptured AAA
Why is amylase measured with acute abdomen?
to check for pancreatitis
What is the gold-standard investigation in acute abdomen?
CT
When is ultrasound useful in acute abdomen?
RUQ pain to check for gallstones
RIF/pelvic pain in women
children
What imaging is best in a pregnant woman with acute abdomen?
MRI
Which diagnoses require immediate surgical management?
ischaemic gut
faecal peritonitis
How does perforated duodenal ulcer present?
sharp sudden pain which is either general or epigastric
board-like rigidity, lying still
How does a patient with colic pain differ to a patient with peritonism?
colic is coming and going so patient wriggles/paces
peritonism is constant and patient lies still
What is seen on imaging of perforation ?
free air under diaphragm
What colour is blood from colonic bleeding?
bright or dark red
Bleeding from which area results in malaena?
Upper GI bleed eg small intestine
Why is fluid resuscitation necessary in bowel obstruction?
proximal limb of bowel dilates and peristalsis increases which leads to secretion of large volumes of electrolyte rich fluid
What causes obstruction of small bowel?
adhesions
herniae
What causes obstruction of large bowel?
malignancy
diverticulitis
volvulus
What are signs of hypovolaemia?
tachycardia
hypotension
pale and clammy
cool to touch