Chicago Fire star DuShon Monique Brown, 49, died from sepsis according to ...

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

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

read more from dailymail.....

Get the latest news delivered to your inbox

Follow us on social media networks

PREV Mulan sneak peek of live action remake's Reflections sequence
NEXT Kendall Jenner gets touchy-feely with Ben Simmons in Mexico