Understanding the Anion and Osmolal Gaps Laboratory Values

For correspondence, write: Dana Bartlett, RN, MSN, CSPI, The Poison Control Center, The Children—s Hospital of Philadelphia, 34th St & Civic Center Blvd, Philadelphia, PA 19104; E-mail: [email protected]

Submissions to this column are welcomed and encouraged. Submissions may be sent to: Allison A. Muller, PharmD, CSPI The Children—s Hospital of Philadelphia, 34th and Civic Center Blvd, Philadelphia, Pa 19104, 215 590-2004 • [email protected]