NEW : ` ` I feel like it 's just been a rough week for her , '' Jani ##j 's mother tells us . Jahi , 13 , underwent a surgery to fix her problems . After complications , ` ` she is 100 % brain damaged . Medically dead , '' her uncle says .
NEW : `` I feel like it 's just been a rough week for her , '' Jani McMath 's mother tells CNN . Jahi , 13 , underwent a tonsillectomy to correct sleep apnea . After complications , `` she is 100 % brain damaged . Medically dead , '' her uncle says .