A Grade Surgical Conditions Flashcards
(345 cards)
What is the acute abdomen?
A description of pain in the abdomen that has started in the past 5 days. There are a wide range of differentials
What are the differentials when abdo pain is generalised?
Intra-abdo haemorrhage
Viscous organ peforation
Mesenteric Ischaemia
Bowel Obstruction
What is the most serious cause of an intra-abdominal haemorrhage?
Ruptured AAA
What are the signs and symptoms of AAA?
- Back/loin pain
- Collapse
- Hypotension
- Pulsatile abdo mass
- Lower limb ischaemia
What investigations should be performed if AAA is suspected?
CT Abdo of pelvis and abdo w/ contrast of arteries
How is a AAA treated?
Surgery `
What can viscous organ perforation cause?
peritonitis
What are the most common causes of rupture?
Gastroduodenal Ulcer
Colonic Diverticulitis
What are the signs of viscus organ perforation?
RIGID ABDOMEN
Involuntary guarding
Patient lying completely still
Deranged observations, lactate and inflammatory markers
What investigations should be done if organ perforation suspected?
ERECT CXR
CT abdo/pelvis
What is the management for viscus organ perforation?
Prompt surgical repair and washout to prevent bowel contents from spilling out into abdo
What are the signs of mesenteric ischaemia?
Pain out of proportion to examination
High lactate
What are the risk factors for mesenteric ischaemia?
Artertiopaths (angina, previous MI)
AAA, AF, DVT, PE
What can mesenteric ischaemia lead to?
necrosis and perforation
What are the causes of mesenteric ischaemia?
Mesenteric artery thromboembolism (embolus thrown off from the heart plus chronic atherosclerotic thrombosis)
Non occulusive ischaemia related to hypotension
Mesenteric venous thrombosis
What are the investigations for mesenteric ischaemia?
Lactate
CT abdo and pelvis
What is bowel obstruction?
A mechanical blockage of bowel = proximal bowel dilates and becomes ischaemic, then necrotic and then it perforates
What are the signs and symptoms of bowel obstruction?
Colicky pain Nausea and vomiting ABSOLUTE CONSTIPATION Distended abdo Tinkling bowel sounds Deranged observations and inflammatory markers
What investigations should be requested?
CT(differentiates between small bowel and large bowel obstruction)
FBC, UsEs, Renal Function, Coag Panel, Serum amylase/lipase (large bowel suspected)
ABG, FBC, CRP, electrolytes, glucose, u&es, amylase, group and save
What are the causes of small bowel obstruction?
Adhesions
Hernia
What are the causes of large bowel obstruction?
Tumour
Volvulus
What is the treatment for bowel obstruction?
IV fluids, rebalance electrolytes, group and save
Primary resection/laparatomy
What conditions might present with right upper quadrant pain?
Cholecystitis and renal colic
What are the signs of cholecystitis ?
Sudden onset RUQ pain radiating to back
Charcots Triad (indicates ascending cholangitis)
- FEVER
- RUQ pain
- Jaundice
Reynauds Pentad (suggests obstruction) - Charcots Triad + shock and altered mental status