Correct!
5. All of the above

All are indicated. A CBC is indicated because of the history of fever and respiratory symptoms suggesting pneumonia. The electrolytes are indicated because of recent nausea and vomiting. The chest x-ray is indicated because of the possibility of pneumonia.

Below are his laboratory values and chest x-ray interpretation. (Table 1).

Table 1. Initial laboratory values and chest x-ray interpretation

 *Abnormal.

What is the least likely diagnosis? (Click on the correct answer to be directed to the third of six pages.)

1. Aspiration pneumonia
2. Community-acquired pneumonia
3. COVID-19 pneumonia
4. E-cigarette or vaping product use associated lung injury (EVALI)
5. Pulmonary embolism

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