Local Anesthetic Cream in Younger Patients Undergoing Lumbar Punctures

Inclusion Criteria: Pediatric oncology patients undergoing a lumbar puncture in the Pediatric Sedation Suite; patients may or may not be receiving intrathecal chemotherapy Exclusion Criteria: Patients undergoing additional procedures during the same anesthetic such as bone marrow aspirate or biopsy will be excluded because they will likely require higher doses of propofol than those undergoing LP alone Patients who are allergic to or not tolerant of EMLA cream, propofol, or fentanyl will be excluded Patients who are pregnant will be excluded Patients having their LPs done by students will be excluded