Correct!
4. Bronchoscopy with bronchoalveolar lavage
Although none of the answers are entirely wrong, most intensivists would do a bronchoscopy with bronchoalveolar lavage (3). It is safe and relatively easy to perform in a sedated, intubated patient.
Her airways appeared normal. Her bronchoalveolar lavage smears are shown in Figure 5.
Figure 5. Wright stain (Panel A) and silver stain (Panel B) of bronchoalveolar lavage fluid.
What pathogen is shown in the bronchoalveolar lavage fluid?