Acute Abdomen Flashcards

1
Q

What are the major causes of AA in the community?

A
  • Acute cholecystitis.
  • Acute appendicitis or Meckel’s diverticulitis.
  • Acute pancreatitis.
  • Ectopic pregnancy.
  • Diverticulitis.
  • Peptic ulcer disease.
  • Pelvic inflammatory disease.
  • Intestinal obstruction, paralytic ileus
  • Gastroenteritis.
  • Acute intestinal ischaemia/infarction or vasculitis.
  • Gastrointestinal (GI) haemorrhage.
  • Urinary tract stones.
  • Acute urinary retention.
  • Abdominal aortic aneurysm.
  • Testicular torsion.
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2
Q

What diseases are associated with the pain at different quadrants?

*see image

A
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3
Q

Pt on what medictaions can mask signs of AA?

A
  • corticosteroids
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4
Q

Describe the use of SOCRATES in taking a hx for AA

* think in the context of AA

A
  • Site: which quadrants
  • Onset: How long, how did it start, any changes over time
  • Character: burning, shooting, stabbing, dull
  • Radiation
  • Associated sx: N,V,D,C
  • Timing: constant, colicky, relationship with food
  • Exacerbating/relieving factors
  • Severity
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5
Q

What other associated sx would you consider?

A
  • Nature of vomiting
  • Fevers/rigors
  • Rash/itchyness
  • Urinary sx
  • weight loss
  • Gynaecological hx
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6
Q

What gynaecological hx would you ask?

A
  • Contraception (including intrauterine contraceptive device (IUCD) use).
  • Last menstrual period.
  • History of sexually transmitted infections/pelvic inflammatory disease.
  • Previous gynaecological or tubal surgery.
  • Previous ectopic pregnancy.
  • Vaginal bleeding.
  • Drug history and allergies - including any complementary medication.
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7
Q

What Ex would you perform for AA?

A
  • Basic obs
    • Temp
    • pulse
    • BP
  • Abdo exam
    • check for guarding or rebound tenderness
  • Rectal/vaginal exam if necessary
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8
Q

How would you generally mx AA in primary care?

A
  • Treat underlying cause
  • If unsure - admit as surgical emergency to hospital
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9
Q

What are the tx to consider in primary care for AA?

A
  • NBM
  • O2
  • IV fluids
  • Analgesia - back then was not adviced but now has been proven to be safe and wouldnt mask abdo finding
  • IV abx (cephalosporins + metronidazole) if peritonitis suspected
  • Arrange and admit urgent surgical and gynaecological review
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10
Q

What are the redflags of suspecting serious pathology?

A
  • Hypotension.
  • Confusion/impaired consciousness.
  • Signs of shock.
  • Systemically unwell/septic-looking.
  • Signs of dehydration.
  • Rigid abdomen.
  • Patient lying very still or writhing.
  • Absent or altered bowel sounds.
  • Associated testicular pathology.
  • Marked involuntary guarding/rebound tenderness.
  • Tenderness to percussion.
  • History of haematemesis/melaena or evidence of latter on examination per rectum (PR).
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11
Q

How would you mx biliary colic?

A
  • Pethidine 50mg IM/po or
  • Diclofenac 50-100mg IM/po/pr + Prochlorperazine 12.5mg IM or Domperidone 10mg po for nausea
  • Admit as surgical emergency if
    • uncertain diagnosis
    • inadequate social support
    • sx persist despite analgesia
    • suspected cx
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12
Q

How would you mx acute cholecystitis?

A
  • Broad spec abx - Ciprofloxacin
  • Admit as surgical emergency if
    • generalised peritonism
    • diagnosis uncertain
    • dehydration, DM, addisons, pregnancy
    • inadeqaute social support
    • not responding to medication
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13
Q

How would you mx acute pancreatitis?

A
  • admit as surgical emergency
  • Preventative measures
    • avoid percipitationg factors (alcohol, drugs)
    • advise low fat diet
    • treat reversible causes (hyperlipidaemia, gallstones)
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14
Q

What are the clincal features of bowel obstruction?

A
  • Nausea
  • Vomiting gives relief
  • colicky central abdo pain
  • distension
  • absolute constipation (stool and gas)
  • tinkling bowel sounds
  • quiet bowel sounds (later)
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15
Q

How would you mx bowel obstruction?

A
  • admit as surgical emergency
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16
Q

How would you mx irreducible hernia?

A
  • admit urgently for surgical assessment
17
Q

What are the causes of bowel ischameia?

A
  • Primary
    • mesenteric embolus
    • venous thrombosis
  • Secondary
    • intestinal obstruction
18
Q

How would bowel ischaemia present?

A
  • sudden onset abdo pain, rapidly becomes severe
  • pain worsen after meals
  • unwell
  • shocked
  • AF
  • generalised tenderness
  • no guarding/rebound
  • signs are proportionate to sx
19
Q

How would you mx bowel ischaemia?

A
  • opiate analgesia
  • admit as surgical emergency
20
Q

How would you mx acute diverticulitis?

A
  • oral abx (co-amoxiclav 375mg tds) or
  • cefaclor 200-500mg tds + metronidazole 400mg tds or
  • ciprofloxacin 500-750mg bd

Admit as surgical emergency if

  • uncertain of diagnosis
  • inadequate social support
  • severe persistent sx despite analgesia
  • suspicion of acute cx
21
Q

When would you admit acute exacerbations of IBD?

A
  • severe abdo pain
  • severe diarrhoea (>8x/d) +/- bleeding
  • dramatic weight loss
  • fever or other systemic disease
22
Q
A