Acute abdomen Flashcards
what clinical syndromes usually require laparotomy?
rupture of an organ
peritonitis
What are the causes of infected peritonitis?
- perforation of GI tract or reproductive system
- Disruption of peritoneum by surgery or trauma
- SBP
- Systemic infections e.g. tb
What are the causes of non-infective peritonitis?
- leakage of sterile bodily fluids into peritoneum - these become infected once in the peritoneal cavity
- Autoimmune disease e.g. lupus
What are the symptoms of peritonitis?
Sudden onset acute abdominal pain
Tenderness (+/- rebound/percussion pain)
Fever
What are the signs of peritonitis?
Prostration - lying stretched out on the ground Lying still Washboard rigidity \+ve cough test Guarding Shock HR >100
What investigations should you carry out in peritonitis and why?
Erect CXR - look for air under diaphragm
Serum amylase - acute pancreatitis causes similar presentation
US/CT to confirm diagnosis
What are the causes of local peritonitis?
diverticulitis
cholecystitis
salpingitis
appendicitis
What is the management of peritonitis?
- IV fluids and electrolytes
- IV abx
- Laparotomy
What is the management of abscess formation in local peritonitis?
Drainage - either percutaneous or laparotomy
What is colic?What causes it?
regularly waxing and waning pain caused by muscular spasm in a hollow viscus
How does colic differ to peritonitis?
colic causes restlessness and the pt may be pacing around whereas in peritonitis the pt is completely still and rigid
Why shouldn’t a patient be rushed to theatre if they have an acute abdomen?
anaesthesia compounds shock, resuscitate properly first unless blood is being lost faster than it is being replaced
What is aLWAYS important to exclude in acute abdomens?
PREGNANCY
What are unsuspected easily undetectable causes of acute abdomen that are important to consider?
mesenteric ischaemia
acute pancreatitis
leaking AAA
What are causes of RUQ abdominal pain?
acute cholecystitis duodenal ulcer hepatitis congestive hepatomegaly pyelonephritis appendicitis R sided pneumonia