Drs. Mercedes Torres and Rachel Chin guest edit this issue on HIV in the Emergency Department. Topics include: Emergent Dermatologic Issues in HIV Patients HEENT Emergencies in HIV-Infected Patients Diarrhea in HIV-Infected Patients Emergent Hematologic and Oncologic Problems in HIV-Infected Patients Acute HIV and Immune Reconstitution Syndrome Orthopedic Problems in HIV-Infected Patients Pulmonary: HIV-Associated Respiratory Emergency