A middle school teacher died on Sunday after she choked on a hot dog at Wrigley Field.
Maureen Oleskiewicz, 28, was with her brother Martin eating before the game when she fell down choking on the hot dog. They administered CPR, but she died due to cardiac arrest.
At first, Martin thought it was a joke. But once the national anthem started playing, rescuers already swooped in and started performing CPR.
"There were no signs she was in distress. She just went down," he said. "They were saying she didn't have a pulse. I felt hopeless."
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He said he did not notice that she was unable to breathe, and only noticed something was wrong when she collapsed.
They kept her alive on life support so they could donate her organs.
Her heart was donated to a 14-year-old girl "in desperate need of one," according to Maureen's mother, Margaret.
She worked at Palos Heights School District 128. The superintendent of the school district, Kathleen Casey, issued a response to the death.
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"The Palos Heights School District 128 family has suffered a devastating loss today. Our beloved Independence Jr. High teacher, Ms. Maureen Oleskiewicz, passed away after suffering a tragic accident. Maureen had a positive impact on countless students, parents and her colleagues. Her vibrant, positive outlook on life and her joyful nature will be missed more than words can convey."
"There is no magic wand to fix what we cannot comprehend. Today, our crisis team and supporting grief counselors and social workers from neighboring districts were available throughout the day for our staff and students."
Oleskiewicz was reportedly an avid sports fan, who rooted for the Cubs, Bears and Blackhawks. She even implemented a spirt day for students to wear jerseys from their favorite teams.
Cubs spokesman Julian Green sent out a sympathy letter on behalf of the team.
"The Chicago Cubs are saddened to hear news of the untimely death of Maureen Oleskiewicz. We express our deepest sympathy to her family and friends. We will continue to keep her family in our thoughts and prayers during this difficult time."