High Altitude Cerebral Edema

Overview

4.7 out of 5 (26 Reviews)

Credits

1.00

Post-Assessment Questions

4

Start Date

1 Sep 2023

Last Review Date

1 Dec 2025

Expiration Date

31 Aug 2026

Estimated Time To Finish

60 Minutes


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Activity Description

High-altitude cerebral edema (HACE) is a severe, potentially fatal neurologic disorder resulting from rapid ascent to high altitude, typically above 2,500 m. The condition represents the advanced stage of acute mountain sickness and arises from hypoxia-induced cerebral vasodilation, increased capillary permeability, and subsequent vasogenic edema. Risk factors include rapid ascent, inadequate acclimatization, prior altitude illness, and sustained physical exertion. Clinical manifestations include severe headache, ataxia, confusion, fatigue, and progressive alteration in mental status, which may advance to coma and death within 12 to 24 hours due to brain herniation.

Diagnosis is primarily clinical, supported by a history of recent altitude exposure and characteristic neurologic findings. Immediate descent remains the cornerstone of management, often combined with supplemental oxygen and dexamethasone administration to reduce cerebral edema. Delays in intervention increase the risk of fatality, which may reach 50% without treatment. Most patients achieve complete neurologic recovery following timely descent and supportive therapy. Prognosis depends on early recognition and rapid initiation of management.

This activity for healthcare professionals is designed to sharpen learners' skills in evaluating and managing HACE. Participants will gain deeper insights into the condition's etiology, risk factors, pathophysiology, clinical presentation, and evidence-based diagnostic and therapeutic recommendations. Advanced proficiency will empower clinicians to collaborate with interprofessional teams providing care for individuals with HACE.


Target Audience

This activity has been designed to meet the educational needs of physicians, physician associates, nurses, pharmacists, and nurse practitioners.

Learning Objectives

At the conclusion of this activity, the learner will be better able to:

  • Differentiate high-altitude cerebral edema from acute mountain sickness based on clinical and diagnostic features.

  • Implement personalized, evidence-based strategies for managing high-altitude cerebral edema and mitigating its possible sequelae.

  • Improve patient understanding of preventive measures, symptom recognition, and emergency responses necessary to reduce high-altitude cerebral edema-related morbidity and mortality.

  • Apply effective methods to optimize care coordination among interprofessional team members to improve outcomes for patients experiencing high-altitude cerebral edema.

Disclosures

StatPearls, LLC requires everyone who influences the content of an educational activity to disclose relevant financial relationships with ineligible companies that have occurred within the past 24 months. Ineligible companies are organizations whose primary business is producing, marketing, selling, re-selling, or distributing healthcare products used by or on patients. All relevant conflict(s) of interest have been mitigated. Hover over contributor names for financial disclosures. Others involved in planning this educational activity have no relevant financial relationships to disclose.

Commercial Support: This activity has received NO commercial support.

Continuing Education Accreditation Information

In support of improving patient care, StatPearls, LLC is jointly accredited by the Accreditation Council for Continuing Medical Education (ACCME), the Accreditation Council for Pharmacy Education (ACPE), and the American Nurses Credentialing Center (ANCC) to provide continuing education for the healthcare team.

 

Physicians and Physician Associates: StatPearls, LLC designates this enduring material for a maximum of 1.00 AMA PRA Category 1 Credit(s)TM. Physicians and PAs should only claim credit commensurate with the extent of their participation in the activity.

American Board of Anesthesiology: This activity contributes to the CME component of the American Board of Anesthesiology’s redesigned Maintenance of Certification in AnesthesiologyTM (MOCA®) program, known as MOCA 2.0®. Please consult the ABA website, www.theABA.org, for a list of all MOCA 2.0 requirements.

American Board of Internal Medicine: Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 1.00 MOC points in the American Board of Internal Medicine’s (ABIM) Maintenance of Certification (MOC) program. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

American Board of Pathology: Successful completion of this Continuing Certification activity, which includes participation in the evaluation component, enables the participant to earn up to 1.00 Lifelong Learning (CME) credits in the American Board of Pathology’s Continuing Certification Program.

American Board of Pediatrics: Successful completion of this CME activity, which includes participation in the evaluation component, enables the learner to earn up to 1.00 MOC points in the American Board of Pediatrics’ (ABP) Maintenance of Certification (MOC) program. It is the CME activity provider’s responsibility to submit learner completion information to ACCME for the purpose of granting ABP MOC credit.

American Board of Surgery: Successful completion of this CME activity, which includes participation in the evaluation component, enables the learner to earn credit toward the CME and Self-Assessment requirement(s) of the American Board of Surgery’s Continuous Certification program. It is the CME activity provider's responsibility to submit learner completion information to ACCME for the purpose of granting ABS credit.

Royal College of Physicians and Surgeons of Canada: Through an agreement between the Accreditation Council for Continuing Medical Education and the Royal College of Physicians and Surgeons of Canada, medical practitioners participating in the Royal College MOC Program may record completion of accredited activities registered under the ACCME’s “CME in Support of MOC” program in Section 3 of the Royal College’s MOC Program.

Please consult your professional licensing board for information on the applicability and acceptance of continuing education credit for this activity.

Method of Participation and Credit

  1. Register for the activity.    
  2. Review the target audience, learning objectives, and disclosure information.
  3. Study the educational content of the enduring material.
  4. Choose the best answer to each activity test question. To receive credit and a certificate, you must pass the test questions with a minimum score of 100%.
  5. Complete the post-activity assessment survey.

If you have concerns regarding the CE/CME system, please contact support@statpearls.com.

Disclaimer

This educational activity was planned and produced in accordance with the ACCME Standards for Integrity and Independence in Accredited Continuing Education. Faculty may discuss investigational products or off-label uses of products regulated by the FDA. Readers should verify all information before employing any therapies described in this educational activity.

The information provided for this activity is for continuing education purposes only and is not meant to substitute for the independent medical/clinical judgment of a healthcare provider relative to diagnostic and treatment options of a specific patient’s medical condition. The information presented does not necessarily reflect the views of StatPearls or any commercial supporters of educational activities on statpearls.com. StatPearls expressly disclaims responsibility for any adverse consequences resulting directly or indirectly from information in the course, for undetected error, or through a participant's misunderstanding of the content.

Unapproved Uses of Drugs/Devices: In accordance with FDA requirements, the audience is advised that information presented in this continuing education activity may contain references to unlabeled or unapproved uses of drugs or devices. Please refer to the FDA-approved package insert for each drug/device for full prescribing/utilization information.

Cancellation Policy: Please see the cancellation policy. StatPearls, LLC reserves the right to cancel any course due to unforeseen circumstances.

 

 
 

Reviews

John L. on 10/2/2021

ANWAR S. on 11/30/2021

Stephen M. on 11/30/2021

Maria B. on 3/12/2022

Kelly W. on 7/26/2022

Mary H. on 8/18/2022

Louie L. on 8/28/2022

Lindsey M. on 11/16/2022

Douglas M. on 12/13/2022

Karl S. on 2/3/2023

Ashley F. on 3/22/2023

Scott R. on 9/11/2023

Christopher D. on 11/30/2023

Stacey S. on 2/24/2024

Yashma P. on 3/10/2024

Erin M. on 10/23/2024

Anil R. on 1/9/2025

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Josiah B. on 3/13/2025

Ravi Teja K. on 10/19/2025

Fadi S. on 11/4/2025

Karen J. on 1/5/2026

Karl S. on 1/6/2026

Daniel L. on 1/31/2026

D U. on 2/11/2026

Mary Y. on 5/1/2026

Unlimited Physician CME

Stay up to date on the latest medical knowledge with 6279 CME activities. In these online self-assessment activities, read our reference articles and test your knowledge with more than 7486.5 hours of CME.

Learn About Lifetime CME

Single Activity

Take this single activity

$49 1 activity

6 Month Unlimited Physician CME

Access to all the Unlimited Physician CME activities in all specialties.

$399 per half year per user

1 Year Unlimited Physician CME

Access to all the Unlimited Physician CME activities in all specialties.

$649 per 1 year per user