When evaluating the HIV-infected ED patient, the first step is an assessment of the status of disease. The differential diagnosis of a patient’s symptoms will change significantly based on the CD4 count and viral load. Patients with low CD4 counts (< 200 cells/mm3) must have a complete history, review of systems, and physical examination in order to identify any OIs. When the CD4 count is unknown, the absolute lymphocyte count might be a helpful surrogate.
To continue reading, please log in or purchase access.