Intra-abdo

Question 1

Which organisms cause peritonitis/biliary tract sepsis/ intrabdominal infections?

Answer 1

Polymicrobial coliforms
Anaerobes
Enterococci

Question 2

Which organisms cause spontaneous bacterial peritonitis?

Answer 2

Coliforms
+/- anaerobes
Sometimes Strep pneumonia

Question 3

Which investigations should you do if you suspect an infection in a pt?

Answer 3

Blood cultures
Pus or other intra-abdominal samples as appropriate
Faeces for culture
FBC, film for fragmented blood cells for suspected HUS
U+Es, LDH, CRP for baseline

Question 4

What is the treatment for non-severe C. Diff infection?

Answer 4

Metronidazole PO

Question 5

What is the treatment for severe C. Diff infection?

Answer 5

Vancomycin PO +/- IV Metronidazole

Question 6

What is the treatment for peritonitis/biliary tract/intra-abdominal infection?

Answer 6

MAG
IV Metronidazole, Amoxicillin + Gentamicin

If P allergy: IV Vancomycin

Question 7

What is the step down for intra-abdo infections?

Answer 7

PO Co-trimoxazole + Metronidazole

Question 8

What is the treatment for acute gastroenteritis?

Answer 8

No antibiotic treatment required

Question 9

What is the treatment for acute pancreatitis?

Answer 9

Antibiotics unlikely to affect outcome

Question 10

What is the treatment for MILD proven spontaneous bacterial peritonitis?

Answer 10

Co-trimoxazole PO

Question 11

What is the treatment for SEVERE proven spontaneous bacterial peritonitis?

Answer 11

Piperacilin/Tazobactam IV

Step down: Co-trimoxazole PO