Chief Complaint: Cough
Determining the Cause
a. White Blood Cell Count: Leukocytosis with lymphocytosis (white blood cell [WBC] count ≥20,000 cells/microL with ≥50 percent lymphocytes)
Differential Diagnosis
Pertussis,
Empiric Antiiotics
| Next Pivotal Assessment | Findings | ||
|---|---|---|---|
| History | Cough no improving | ||