Frequently Asked Questions

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Frequently Asked Questions

NYSORA is an educational organization focusing on anesthesia, pain, ultrasound and MSK medicine. Since its creation in 1995, NYSORA has been contributing to education and advancement in the science and practice of anesthesiology. is read by 4M readers annually.

Yes! The content on NYSORA.COM has been a free source of education as of 1994, and it will be free until the end of time.

Support for comes from grants, advertising revenue and subscriptions to NYSORA’s Premium Educational content (the NYSORA LMS and NYSORA’s mobile apps).

The NYSORA LMS is interactive e-learning platform created to bring educational content to life.

By registering to the NYSORA Learning System, you will:

  • Stay up to date. Real-time updates and regular additions of brand-new teaching material
  • Get access to NYSORA’s regional anesthesia procedures and patient management protocols
  • Get instantly useable infographics
  • A time-saver. Logical step-by-step technique instructions
  • Learn visually with  NYSORA’s trademark visual aids, such as functional regional anatomy and reverse ultrasound anatomy used in lectures worldwide
  • Be organized with a notes-taking tool where you can append images, videos, articles, and make your own study scripts

NYSORA’s Regional Anesthesia Course is NYSORA’s most comprehensive, and practical curriculum on Regional Anesthesia from A to Z, featuring NYSORA’s Premium content. As opposed to textbooks and e-books, the RA Course is continuously updated and features NYSORA’s newest videos, animations, and visual content. The RA Course is subscription-based.

The RA Course is one of several gold-standard educational courses on NYSORA’s Learning System (the NYSORA LMS), and registration to is free. The FULL access to the RA Course, however, is based on an annual subscription, as it requires an army of illustrators, video editors, and an educational team to continue making it the BEST tool for education on everything regional anesthesia. While you can think of the RA Course as an ebook on steroids, a quick test drive will give you a real-time feel of how incredible the RA Course really is. Your subscription will transform the way you read about regional anesthesia: 

  • Learn visually: Everything regional, including spinal, epidural, and nerve block procedures and management protocols
  • Review step-by-step techniques instructions for over 60 nerve blocks 
  • Access NYSORA’s fabled illustrations, animations, and videos (such as Reverse Ultrasound Anatomy)
  • Access RA info on any device via the desktop platform and mobile app
  • Get real-time updates 
  • Review infographics for exam preparation (e.g. EDRA)
  • Use the Community feed with real case discussions, images and videos are posted and discussed by subscribers and world’s top experts alike. 

The NYSORA LMS is the learning platform with all of NYSORA’s premium educational content, such as the Regional Anesthesia Course, CME courses, ultrasound, MSK, and more. Accessible anywhere, on any device. To keep the content on free, the educational products on the NYSORA LMS are subscription-based.

Think of the Regional Anesthesia Course as a comprehensive guidebook on everything regional anesthesia from A to Z, including spinal, epidural, nerve blocks, ultrasound, perioperative management, ERAS protocols, and more.

NYSORA’s Nerve Blocks Manual is, as the name implies, a highly practical collection of detailed nerve block techniques, richly illustrated in a blend of art and medicine. 

NYSORA’s Nerve Blocks app is NYSORA’s micro-learning refresher for clinical practice. Think of it as NYSORA’s skinny version, made for use at point of care.

If you love regional anesthesia, all three are MUST have. Think about these three hugely popular educational products by NYSORA as:

  • RA Course serves as a comprehensive textbook on everything regional.
  • The Nerve Blocks Manual is a practical manual, with all things focusing only on nerve blocks.
  • The Nerve Blocks app is a condensed, practical tool for use at point of care as a refresher and teaching.

Yes! Some  NYSORA content is available in other languages. As an example, NYSORA’s hugely popular Nerve Blocks app, featured on the App Store and Google Play, is available in French, German, Spanish, Dutch, Japanese, Chinese, and Portuguese, and English. 

The content on has been and remains a free educational resource. Therefore, there is no need to subscribe or unsubscribe from

To access NYSORA’s premium content on the NYSORA LMS, you need to subscribe to a monthly or annual plan. To unsubscribe from your course, visit this page.

The NYSORA RA Course, Nerve Blocks Manual, and Nerve Blocks app contain thousands of images, illustrations, animations, and videos. The production of this content required an army of illustrators, designers, video makers, animators, and IT specialists. Your subscription helps the continuous production and improvement of the content and helps practitioners in remote locations access for free.

NYSORA images are free for personal and educational purposes with the use of proper acknowledgment of the source.

Images created by To purchase high-resolution images for other purposes, please contact

Medicine is an ever-changing science. As new research and clinical experience broaden, changes in treatment and drug therapy are required. The authors and publisher of NYSORA have checked with sources believed to be reliable in efforts to provide accurate information within the available or accepted standards of care. However, given the possibility of human error or changes in medical practice, neither the authors nor the publisher, nor any other party involved in the preparation of this platform warrants that the information contained herein is in every aspect accurate or complete, and they disclaim all responsibility for any errors or omissions for the results obtained from the use of the information contained in this work. Readers are advised to confirm the information contained herein with other sources. For example, readers are advised to check the product information of each drug mentioned, and that any information contained on NYSORA is accurate.