Ultrasound-guided Erector Spinae Plane Blocks

Inclusion Criteria: * Patients 18 years old or older. * Patients with one or more acute traumatic rib fractures. Exclusion Criteria: * Inability to position appropriately. * Unconscious or heavily sedated. * Patients who are critically ill such that care should not be delayed for regional anesthesia. * Patients under the age of 18 years old. * Vulnerable populations including prison inmates and pregnant patients. * Overlying skin infection, wound, or dressing/equipment (i.e., Chest tube). * Inability to visualize target anatomy or by ultrasound or anatomy prohibitive for other reasons to perform procedure successfully. * Known or documented allergy to ropivacaine or other amide local anesthetic.