A Retrocardiac Echolucency

Affiliations

• ¹ Critical Care Fellow, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA. Electronic address: mmonteal@bidmc.harvard.edu.
• ² Associate Professor of Anaesthesia, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
• ³ Critical Care Fellow, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
• ⁴ Anesthesiology Resident, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
• ⁵ Instructor in Anesthesiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.