ElFallal is accused of injecting the patient with 1% lidocaine, then injecting her with 4% lidocaine, during a pain management procedure. The patient suffered seizures, and is still suffering from ...

Patch tests with lidocaine dilutions (in petrolatum) gave the following results: 3 of 4 patients, 4 of 6 patients, and 3 of 6 patients reacted positively to 10%, 5%, and 1% dilutions, respectively.