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Procalcitonin (PCT) as a Clinical Biomarker of Infection questions with correct answers respectively.
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Procalcitonin (PCT) as a Clinical Biomarker of Infection questions with correct answers respectively.

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  • August 21, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • procalcitonin pct as a clinical biomarker of inf

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  • NHA PCT
  • NHA PCT

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Procalcitonin (PCT) as a Clinical
Biomarker of Infection questions with
correct answers respectively.

PCT levels offer a high degree of specificity for __________ ANS - Bacterial infections



A rapid reduction in PCT would indicate ___________ ANS - A favorable response to antimicrobial
therapy



PCT levels begin to rise within _________ after Infection ANS - 3-6 hours



PCT levels peak within ________ ANS - 6-12 hours



A decrease of PCT levels of approximately _______ per day would indicate a favorable response to
antimicrobial therapy, corresponding to an elimination half-life of _________ ANS - 50%, 22-26 hours



PCT levels should NOT be routinely used to guide antimicrobial therapy if any of the following conditions
are present: ANS - Localized infections, subacute bacterial endocarditis, infections involving atypical
pathogens, concurrent immunotherapy



Re-measure a STAT PCT level on days ______ of antimicrobial therapy ANS - 3, 5, and 7



PCT value of 0.5 ng/mL or less ANS - Sepsis is unlikely



PCT value of > 0.5 ng/mL - 2 ng/mL ANS - Sepsis is possible but other conditionals may falsely elevate
levels



PCT values > 2 ng/mL ANS - Systemic infection (sepsis) likely unless other causes are known

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