This best-selling guide is now completely revised to offer a wide scope of important new information, including: crucial new information on hantavirus pulmonary syndrome, attention deficit disorder with hyperactivity. Pneumocystis carinii pneumonia, Kaposi's sarcoma, and mitral valve prolapse; DSM-IV criteria for psychiatric disorders; current guidelines for prevention of disease transmission; current staging criteria for all types of cancer; the revised classification system for HIV Infection; the latest on estrogen replacement therapy; current antimicrobial therapy for all infectious diseases; the latest ACLS protocols for life-threatening arrhythmias; plus new causes and treatments for peptic ulcers, current diagnostic criteria for diabetes mallitus, and the latest insulins.