Welcome To South Texas Health System, South Texas Health System is a multi-hospital system serving patients throughout the Rio Grande Valley. The system includes five acute care hospitals with specialties in pediatrics, heart and vascular services, maternity and women’s health, rehabilitation, diabetes and weight-loss surgery. 24-hour emergency care is offered at the system hospitals and two freestanding ERs. Treatment for behavioral and addictive disorders is also provided through the system's behavioral health center.