What is the anatomy of the infraorbital nerve, relevant to infraorbital nerve block?

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Karen M Byrne, MD Assistant Professor of Emergency Medicine, Montefiore Medical Center, Albert Einstein College of Medicine

Karen M Byrne, MD is a member of the following medical societies: American College of Emergency Physicians

Disclosure: Nothing to disclose.

Albert J Izzo, MD Attending Physician, Department of Emergency Medicine, Montefiore Medical Center

Albert J Izzo, MD is a member of the following medical societies: American College of Emergency Physicians, American Medical Association

Disclosure: Nothing to disclose.

Mary L Windle, PharmD Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Meda Raghavendra (Raghu), MD Associate Professor, Interventional Pain Management, Department of Anesthesiology, Chicago Stritch School of Medicine, Loyola University Medical Center

Meda Raghavendra (Raghu), MD is a member of the following medical societies: American Society of Anesthesiologists, American Society of Regional Anesthesia and Pain Medicine, American Association of Physicians of Indian Origin

Disclosure: Nothing to disclose.

Luis M Lovato, MD Associate Clinical Professor, University of California, Los Angeles, David Geffen School of Medicine; Director of Critical Care, Department of Emergency Medicine, Olive View-UCLA Medical Center

Luis M Lovato, MD is a member of the following medical societies: Alpha Omega Alpha, American College of Emergency Physicians, Society for Academic Emergency Medicine

Disclosure: Nothing to disclose.

The authors would like to acknowledge Dr. Albert Izzo for his contributions to this article.

The authors and editors of eMedicine gratefully acknowledge the contributions of previous author Michelle Marie Davitt, MD, to the development and writing of this article.