Alexis Salerno, MDAssistant Professor of Emergency MedicineEmergency Ultrasound Fellowship DirectorDepartment of Emergency MedicineUniversity of Maryland School of MedicineBaltimore, MD, USA Daniel J. Haase, MD, RDMS, RCDS Assistant Professor of Emergency Medicine and SurgeryDirector of Critical Care Transesophageal EchocardiographyProgram in Trauma and Critical Care R Adams Cowley Shock Trauma CenterUniversity of Maryland School of Medicine Baltimore, MD, USA Sarah B. Murthi, MD, RDCS, FACSAssociate Professor of Surgery Director of the Critical Care Ultrasound Program Department of SurgeryProgram in Trauma and Critical Care R Adams Cowley Shock Trauma Center University of Maryland School of MedicineUniversity of Maryland Medical Center Baltimore, MD 21201, USA