Figure 1. Time to block resolution, ambulation, voiding, and ready for discharge in patients undergoing spinal anesthesia for arthroscopy with 5% hyperbaric lidocaine with 0.2 mg epinephrine, 2% isobaric lidocaine without epinephrine, or 0.75% hyperbaric bupivacaine without epinephrine. *P < 0.02 hyperbaric lidocaine versus isobaric lidocaine & hyperbaric lidocaine vs bupivacaine. #P < 0.02 hyperbaric lidocaine versus isobaric lidocaine only.