ST. CHARLES COUNTY, MO. - St. Charles County Ambulance District Lieutenant Sarah McCarthy, a 23-year veteran of emergency medical services, died Dec. 9, 2025, following complications from a medical emergency while on duty at Station 12 in St. Peters.McCarthy, 48, first experienced chest pain on Nov. 21, 2025, and was transported by colleagues to Missouri Baptist Hospital, where she underwent emergency surgery. After a setback in her recovery on Dec. 4, 2025, she was transferred to Barnes Hospital in St. Louis. She died peacefully with family by her side.As a final act of service, McCarthy donated her organs through Mid America Transplant.McCarthy joined the St. Charles County Ambulance District (SCCAD) in 2002 and was promoted to lieutenant in 2016. In that leadership role, she provided tr

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