Infections

Question 1

Treatment for c.diff ?

Answer 1

10 days oral vancomycin (IV doesnt work)

Question 2

Type of bacteria which causes;

• Skin infections ?
• Saline flush ?
• Infections from total parental nutrition?

Answer 2

• aerobes - staph and strep
• anaerobes i.e. pseudomonas
• lipid soluble i.e. candida species

Question 3

Arron classification for cellulitis ?

Answer 3

I - systemically well and no co-morbidities
II - systemically unwell or well but co-morbidities
III - severe systemic upset, unstable co-morbidities or limb threatening infection
IV - sepsis or life threatening infection i.e. necrotizing fasciitis

Question 4

treatment for MRSA colonisation ?

Answer 4

nasal mupirocin

chlorhexidine body washes

Question 5

abx used in the treatment of MRSA infection ?

Answer 5

vancomycin

Question 6

c.diff risk factors ?

Answer 6

bowel surgery 
PPI 
antibiotics 
TPN
malnutrition

Question 7

causative organisms of endocarditis;

• prosthetic valve ?
• sub acute ?
• acute ?

Answer 7

prosthetic valve = coagulase negative staphylococcus (staph epidermidis)
sub-acute = alpha haemolytic streptococci (strep viridians)
acute = staph aureus

Question 8

CRUB 65 ?

Answer 8

confusion
urea > 7mmol/l
resp rate > 30
BP < 90 systolic mmHg and/or diastolic < 60mmHg
age > 65

0-1 = mild
2 = moderate
3 or above = severe

Question 9

common side effects of anti-TB drugs ?

Answer 9

rifampicin - nausea and vomiting, orange coloured tears
Isoniazid - reduced vision
all 4 drugs - derranged LFT’s