the acute abdomen Flashcards
LLQ pain DDx?
Sigmoid diverticulitis
Diffuse abdominal pain differential?
Mesenteric ishcaemia Peritonitis Acute pancreatitis Early appendicitis Intestinal obstruction Gastroentertitis.
RLQ DDx?
Appendicitis
Meckels diverticulum
Mesenteric amenities.
RUQ pain?
Cholecytitis Biliary colic Congestive hepatomgeal Perforated duodenal ulcer Hepatitis
LUQ pain?
Gastritis Splenic disorders (abscess, rupture)
Absent bowel sounds?
Ileum.
Where is McBurney’s point and what is it a sign of?
1/3 of the way between ASIS and umbilicus
Appendicitis
What is Rosvig’s sign?
Pain in RIF when LIF pressed.
Investigation of appendicitis/
Raised WCC
Imaging not done unless uncertain Dx, CT abdo if needed.
Complications of appendicitis?
Rupture
Appendicular abscess.
Ilioinguinal nerve during appendectomy.
Perforation investigation?
Erect CXR, shows air under the diaphragm,
If seen, prepare for emergency laparotomy.
Presentation of mesenteric ischaemia?
Almost always involves the small bowel.
Usually cause by thrombotic blockage of SMA.
Presents with acute abdomen and generalised tenderness.
Diagnostic test for mesenteric ischamia?
Mesenteric angiography.
Someone with a history of AF who then develops acute abdominal pain?
Mesenteric ischamia.
Management of mesenteric ischaemia?
Resus and stabilise.
Outcomes are generally poor.
Emergency laparotomy (bowel resection)