Baribeau Y, Chaudhry D, Sharkey A, Chaudhary O, Chu L, Mahmood F. A High Doppler Gradient: Obstruction or No Obstruction?: A Case Report. Anesthesia and Analgesia Practice. 2019;13(12):457-460.
Department of Anesthesia, Critical Care & Pain Management and Department of Surgery, Division of Cardiac Surgery
Beth Israel Deaconess Medical Center