Mercy Emergency Department - Mercy Hospital St. Louis
St. Louis, MO 63141
Main Entrance: Entrance in rear of hospital
Phone: (314) 251-6090
Fax: (314) 251-7622
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St. Louis Emergency Room
When you’re facing a serious illness or injury, you want the best care possible. Mercy’s St. Louis ER is available 24/7 with advanced emergency care provided by our highly experienced team.
Our staff includes board-certified emergency medicine physicians, nurse practitioners, nurses and other clinicians trained to provide lifesaving care. Our expert team helps you get back to your life and loved ones after an emergency.
If you think you have a medical emergency, call 911 or go to the nearest ER.
Level 1 Trauma Center
We’re the only Level 1 (highest) Trauma Center in St. Louis County, which means we have the expertise and resources to care for the most complex and critical medical conditions. We provide trauma services for communities across the St. Louis region.
We work closely with first responders to coordinate transport and deliver immediate trauma care to those who need it most. We’re prepared to support multiple traumas at our facility, which features:
- A large helipad with space for several helicopters
- A large ambulance bay with capacity for five ambulances
- Six dedicated trauma rooms
Adult & Pediatric ER Care
Mercy Hospital St. Louis is fully equipped to provide emergency care for all ages and medical needs. Our facility includes:
- An Adult ER with dedicated triage and waiting areas, and more than 20 treatment rooms
- A treatment area designated for minor injuries and illnesses
- Mercy Kids ER, a full-service pediatric ER with separate triage, waiting and treatment areas designed for kids and families
- Centrally located imaging services
- Free parking near the ER entrance, with free valet parking available from 11 a.m. – 9 p.m.
Featured ER Services
Clinical Decision Unit (CDU)
Mercy ER doctors often need test results to decide whether to admit patients to the hospital or allow them to go home. When patients are waiting for these decisions to be made, we provide a dedicated treatment area called the Clinical Decision Unit (CDU).
The CDU is located directly above the ER, on the second floor of the Heart Hospital. Caregivers in the CDU provide the same level of advanced care as our ER staff. Patients stay in the CDU for a short time (usually less than 24 hours).
Mercy Kids ER
When your child has a serious illness or injury, you can count on the experts at Mercy Kids ER. We provide complete pediatric emergency care 24 hours a day, every day.
Mercy Kids ER is staffed by pediatric emergency medicine specialists, board-certified pediatricians, pediatric hospitalists and pediatric nurse practitioners—all focused on delivering child-centered care with compassion.
Child Life Services specialists are also available seven days a week to help kids feel less fearful and anxious. And if your child needs to be admitted to the hospital, Mercy Children’s Hospital St. Louis is on our campus.
Cardiac Critical Care Program
When a heart attack begins, getting treatment quickly helps reduce damage to the heart muscle. Our ER is located in Mercy Heart and Vascular Hospital, so we can provide immediate triage, transfer and treatment for heart attacks and other cardiovascular conditions.
Working closely with Mercy’s experienced team of cardiologists and other cardiovascular specialists, we help deliver cardiac care that saves lives.
Rapid Stroke Care
Minutes matter when it comes to stroke. Our highly specialized team of emergency physicians, neurologists, nurses and therapists provide immediate care for stroke and other neurological disorders.
The Stroke Center at Mercy Hospital St. Louis has earned Advanced Thrombectomy-Capable Stroke Center & Level I Stroke Center Certification from the Joint Commission, which accredits and certifies hospitals in the United States.
