South Texas Health System ER Mission provides emergency care 24 hours per day, 365 days per year. The facility is staffed with trained professional medical personnel and equipped with advanced diagnostic technology like that available in South Texas Health System's hospital emergency rooms. South Texas Health System ER Mission has earned the Acute Stroke Ready Hospital designation and chest pain management accreditation from The Joint Commission. Outpatient diagnostic and laboratory services are also available, including mammogram services.