1 Department of Anesthesiology, Wake Forest School of Medicine Winston-Salem, NC. Electronic address: rroyster@wakehealth.edu.
2 Department of Anesthesiology, Wake Forest School of Medicine Winston-Salem, NC.
3 Department of Cardiology, Wake Forest School of Medicine Winston-Salem, NC; Department of Cardiac Electrophysiology, Wake Forest School of Medicine Winston-Salem, NC; Heart and Vascular Center, Wake Forest School of Medicine Winston-Salem, NC.