For all publications, please see the PubMed listing
About Dr. Ritzl
Dr. Ritzl completed her Medical School in her native Germany. She trained in Internal Medicine in Scotland before training in Neurology and Neurophysiology at Massachusetts General Hospital / Brigham and Women's Hospital, Boston and Johns Hopkins Hospital, Baltimore respectively. She served as Director of the Intraoperative Neuromonitoring Program and the Continuous Video EEG Program at Johns Hopkins Hospital for 15 years. Just prior to coming to HSS, she served as Chief of Service of the Intraoperative Neuromonitoring Division of Mass General Brigham in Boston.
Special Expertise
Neurophysiology, EEG, Intraoperative Neuromonitoring
Procedures
MEP, SEP, BAEP, EEG, EMG (intraoperative)
Insurance
This provider is currently in the process of joining the networks of many commercial insurance plans and should show as a participating provider soon.
If your insurance is not listed, please call our office if you have questions regarding your insurance coverage. If you have out-of-network benefits, then your insurance may reimburse you for a portion of your office visit.
Credentials
Appointments
Attending Neurologist, Hospital for Special Surgery
Certifications
APBN
ABCN IONM and CEEG
Education
Medical - Universitaet zu Koeln, Germany, 1993
Internship - Allegheny Graduate, Philadelphia, PA, 1998
Residency - Partners Neurology (MGH and BWH), Boston, MA, 2001
Fellowship - Epilepsy and Neurophysiology, Johns Hopkins Hospital, Baltimore, MD, 2003
State Licensure
New York
Languages
English, GermanFor My Patients
Publications by Dr. Ritzl
Research
Dr. Ritzl's research in intraoperative neuromonitoring and EEG monitoring has contributed significantly to the literature, enhancing clinical practices and patient outcomes: Examples in the field of intraoperative neuromonitoring include a provocative testing methodology for AVM embolizations near peripheral nerves and the bridge grounding method for peripheral nerve inching. In the field of EEG monitoring, Dr. Ritzl studies EEG predictors of successful treatment of status epilepticus (SE), the characteristics of sedation associated encephalopathy that may be confused with SE as well as EEG markers of arousal in various health conditions.
Industry Relationships
HSS has a long history of supporting appropriate relationships with industry because they advance HSS's mission to provide the highest quality patient care, improve patient mobility, and enhance the quality of life for all, and to advance the science of orthopedic surgery, rheumatology, and their related disciplines through research and education.
As of October 7, 2025, Dr. Ritzl reported no relationships with the healthcare industry.
HSS and its physicians make this information available to patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest and Commitment Policy prohibits physicians from collecting royalties on products they develop that are used on patients at HSS.