SAQ 838 – Infectious Diseases – necrotising fasciitis risk and treatment

A 28-year-old male carpenter presents to your ED with fever and severe right arm pain. He sustained an open wound to his right hand two weeks earlier.

Excluding CRP and white cell count, list three (3) laboratory investigations and state their utility in risk stratification for necrotising fasciitis.

(Marked out of 6.0)
</p> <table class="saq-prop-table"> <thead> <tr> <th>Laboratory investigation</th> <th>Utility</th> </tr> </thead> <tbody> <tr> <td>1</td> <td></td> </tr> <tr> <td>2</td> <td></td> </tr> <tr> <td>3</td> <td></td> </tr> </tbody> </table> <p>

/ 6

Based on your assessment, necrotising fasciitis is highly probable and he has no allergies. Prescribe an antibiotic regimen for this patient.

(Marked out of 3.0)

/ 3

Using the table below, and showing your formula, calculate the listed characteristics for CT accuracy in necrotising fasciitis.

(Marked out of 3.0)

</p> <table class="saq-prop-table"> <thead> <tr> <th>Measure</th> <th>Formula and result</th> </tr> </thead> <tbody> <tr> <td>Sensitivity</td> <td></td> </tr> <tr> <td>Positive likelihood ratio</td> <td></td> </tr> <tr> <td>Negative predictive value</td> <td></td> </tr> </tbody> </table> <p>

/ 3

Total Score: 0 / 12

Percentage: 0%