Case Study

COVID-19 and Rule out Bacterial Co-infection

Trevor Van Schooneveld, Internal Medicine, Infectious Disease

Age, sex:

77-year-old female from long-term care facility

Chief complaint:

Altered mental status, increased oxygen need

Presenting symptoms:

Crackles on lung exam, temperature: 39.0°C

Significant medical history:

Dementia, oxygen-dependent chronic obstructive pulmonary disease (COPD)

Admission labs:

White blood count (WBC) 8.7 x 103/µL, chest x-ray = bilateral hazy opacities concerning for developing consolidations, PCT = 0.13 μg/L

Admitting diagnosis:

COPD exacerbation

Treatment, interventions:

PCT was repeated the next day and remained low, PCT = 0.1 μg/L. Antibiotics were given in the ED but not continued. SARS-CoV-2 testing was positive.

Key takeaways

PCT can be useful in determining the need for antibiotics in patients with early COVID-19.


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