1 Division of Cardiovascular Anesthesiology, Texas Heart Institute, Baylor St. Luke's Medical Center, Houston, TX; Department of Anesthesiology, Baylor College of Medicine, Houston, TX. Electronic address: chinwedryer@bcm.edu.
2 Division of Cardiovascular Anesthesiology, Texas Heart Institute, Baylor St. Luke's Medical Center, Houston, TX; Department of Anesthesiology, Baylor College of Medicine, Houston, TX.