Chicago Fire fans were shocked when star DuShon Monique Brown suddenly passed away in March.
And now it’s known what killed her.
According to the Cook County Medical Examiner’s Office in Chicago, the 49-year-old died from sepsis, or blood poisoning triggered by an infection.
High blood pressure and obesity were other contributing factors in her death, the report stated, as reported Thursday by UsWeekly.
Natural causes: Chicago Fire star DuShon Monique Brown died in March at age 49 from sepsis, according to the medical examiner’s official report. She’s pictured in April 2017
Brown was best known for her roles as Connie on Chicago Fire and nurse Katie Welch on Prison Break.
She died in hospital in Chicago on March 23.
She is survived by her 14-year-old daughter Zoe.
TV star: Brown played Connie, secretary to Eamonn Walker’s Battalion Chief Wallace Boden on Chicago Fire (L) and as Nurse Katie Welch on Fox’s Prison Break (R)
Her character Connie on the NBC drama was secretary to Eamonn Walker’s Battalion Chief Wallace Boden and she appeared in 53 episodes.
Chicago Fire executive producer Dick Wolf told the Chicago Tribune: ‘The Chicago Fire family is devastated to lose one of its own.’
‘Our thoughts and prayers are with DuShon’s family and we will all miss her.’
Brown was a graduate of Governors State University, with a master’s degree in school counseling; she previously served as a crisis counselor at Kenwood Academy High School, where she also led the school’s Drama Starz Program.
Her final screen appearance will be as Commander Roberta in the TV drama movie Public Housing Unit, set for release later this year.
Lost her mom: Brown is survived by her daughter Zoe, 14, with whom she’s seen in this Instagram snap she shared