ATAAD and TBAD (involving the ascending and descending aorta, respectively) are associated with high morbidity and mortality. Patients often present emergently in critical condition. Health care clinicians across different specialties encounter aortic dissection, and initial management is important to patient survival and long-term outcome.1,2 This article summarizes 2 guidelines on initial management and stabilization of patients presenting with ATAAD or TBAD.