
Associate Professor of Anesthesiology
University of Colorado School of Medicine
Attending Physician
Denver Health and Hospital
University of Colorado School of Medicine
Attending Physician
Denver Health and Hospital
Medical Student (MS1)
University of Colorado School of Medicine
Aurora
University of Colorado School of Medicine
Aurora
Interscalene blocks (ISBs) are commonly used during and after surgery to provide analgesia for the upper arm and shoulder. Horner syndrome is a known complication of ISB, caused by the spread of local anesthetic to the cervical sympathetic chain resulting