Lack of coagulopathy after copperhead snakebites.

Study Objective: We determine the frequency and severity of abnormal laboratory measures of coagulation after suspected or known copperhead (Agkistrodon contortrix) envenomation.

Methods: We identified the charts of venomous snakebites in children presenting to St. Louis Children's Hospital over a period of time greater than 14 years and of all venomous snakebites in adults presenting to Barnes-Jewish Hospital over a period of time greater than 11 years.