What is your final diagnosis here? (click!)
Exit site infection
The exit site infection is defined as erythema/induration/tenderness LESS THAN 2 cm from the catheter exit site. Try again!
Catheter-related bacteremia with tunnel infection
Correct! We have a case of bacteremia in a patient with a catheter (without other clear source of bacteremia) and tenderness and erythema MORE THAN 2 CM from the catheter exit site.
Catheter-related bacteremia without tunnel infection
The tenderness and erythema noted MORE THAN 2 CM from the catheter size raise suspicion for a tunnel infection. Pick again!
Catheter-related bacteremia with exit site infection
The tenderness and erythema noted MORE THAN 2 CM from the catheter size raise suspicion for a tunnel infection. Pick again!
Catheter-related blood stream infections are most commonly caused by which organisms?
Gram positive organisms,
Correct! 40 – 80% of CRBSI are due to gram positive organisms (including S. aureus and coagulase-negative staphylococci)
Gram negative organisms
20- 40 % of CRBSI are due to gram negative organisms
Polymicrobial infections
10-20% of CRBSI are due to polymicrobial infections.
Fungal organisms
< 5% of CRBSI are due to fungal organisms.
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Case 24 Index
Case 24 Introduction
Case 24 Physical Exam