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Mercy Emergency Department - Mercy Hospital South
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The safety of our patients and co-workers is our priority. In addition to rigorous disinfecting, use of personal protective equipment and social distancing, we are limiting the number of visitors at this location.
South County Emergency Room in St. Louis
Mercy South’s ER is available 24/7 with advanced emergency care and the only complex trauma, heart and stroke centers in the South County/Jefferson County area.
Our ER staff includes board-certified emergency medicine physicians, nurse practitioners, nurses and other clinicians trained to provide lifesaving care.
If you think you have a medical emergency, call 911 or go to the nearest ER.
Adult & Pediatric ER Care
Mercy Hospital South is fully equipped to provide emergency care for all ages and medical needs and includes:
- An Adult ER with dedicated triage and waiting areas, and more than 45 treatment rooms
- Mercy Kids ER, a full-service pediatric ER with separate triage, waiting and treatment areas designed for kids and families
- Time-Critical Diagnosis Team
- Certified Sexual Assault Nurse Examiners
- Free parking near the ER entrance, with free valet parking available from 6 a.m. – midnight
Featured ER Services
Level II Trauma Center
As the only Level II Trauma Center in South County/Jefferson County, Mercy has the expertise and resources to care for complex and critical medical conditions. We work closely with first responders across 26 EMS districts to coordinate transport and deliver immediate trauma care to those in need.
Fast-Tracked Emergency Heart Care
Our South County emergency and hospital physicians work quickly to identify and treat active heart emergencies. Blocked arteries are cleared in as little as 12 minutes (the national standard is 90 minutes). Our St. Louis hospital uses the Fast Track system, which eliminates the waiting room; patients go immediately to a private room where all care is performed.
Emergency care is seamlessly integrated with on-site cardiologists and other cardiovascular specialists.
Mercy Kids ER
At the Mercy Kids ER at Mercy Hospital South, children receive expert, compassionate care for unexpected illnesses and injuries. Our pediatric emergency room is staffed by a team of Mercy Kids pediatricians and pediatric trained nurses ready to care for the unique needs of your child. Additional features of our children’s ER include:
- Separate waiting and triage areas just for kids
- Six private treatment rooms dedicated to – and designed for – your family
- A Child Life Specialist to help kids feel less fearful and anxious, and better understand their treatment
- Specialized equipment designed for children and their unique needs
If follow-up care is required, families can receive additional treatment from nearby Mercy Kids’ pediatric specialists.
Mercy Kids ER Hours
Weekdays: Noon - Midnight
Weekends: 11 a.m. - 11 p.m.
Patients arriving outside of normal operating hours will be cared for in the regular ER by pediatric trained providers.