Appointments and employment

Assistant Professor of Research

Intermountain Health

Pulmonary and Critical Care Physician

Shock Trauma ICU and Schmidt Chest Clinic, Intermountain Health

Advisor

Mountain Biometrics, Inc. (MTN)

Core Faculty

University of Utah Pulmonary and Critical Care Fellowship

Adjunct Faculty

Department of Medical Education, University of Utah

Education and training

M.S. in Health Sciences

Montana State University

Thesis: The Effect of Boot Stiffness on Collegiate Alpine Ski Racers

M.D.

University of Colorado School of Medicine

M.S. in Clinical Investigation

University of Utah

Internal Medicine Resident

University of Utah Affiliated Hospitals

Chief Medical Resident, Internal Medicine

University of Utah Affiliated Hospitals

Pulmonary and Critical Care Medicine Fellow

University of Utah Affiliated Hospitals

T32-Sponsored Research Fellow

University of Utah

Certifications

  • Board certified in Internal Medicine
  • Board certified in Pulmonary Disease
  • Board certified in Critical Care Medicine

Research support

Current

Informing best practices for evaluation and treatment of myocardial injury during sepsis

Evaluates diagnostic and treatment practices for myocardial injury during sepsis using harmonized electronic health record data.

Follow-up Utilization and Needs after Discharge with Hypercapnic Respiratory Failure (FUND-Hypercapnia)

Uses administrative data to characterize post-discharge testing, specialty referral patterns, healthcare utilization, and costs after hospitalization with hypercapnic respiratory failure.

Completed

Developing a Computable Phenotype for Hypercapnic Respiratory Failure

Supported development of reproducible electronic health record approaches to defining hypercapnic respiratory failure.

Multidisciplinary Pulmonary and Critical Care Research Training Program

Supported formal research training in pulmonary and critical care clinical investigation.

Selected scholarly outputs

  1. Large language models generate diagnostic likelihood ratios with low mean bias but wide dispersion. Chong P, He S, Samadian K, Mohamed A, Peng B, Chua E, Rohlfsen C, Locke BW. Scientific Reports. 2026. doi:10.1038/s41598-026-61766-2 PubMed
  2. Exploring the Impact of Virtual Reality Interventions on Autonomic Arousal in ICU Patients. Finkelstein J, Gabriel AS, Locke BW, Tsai TY, Reategui-Rivera CM, Smiley A. Proceedings of the 2025 World Conference of the International Society for Virtual Rehabilitation. 2026. doi:10.1007/978-3-032-17790-2_39
  3. AI-Based Simulated Patient Encounters for Clinical Reasoning: A Needs Assessment. Sorrick A, Liebovitz D, Vick S, Parsons AS, Locke BW, Herskovitz J, Rohlfsen C. Graduate Medical Education Research Journal. 2026. doi:10.32873/unmc.dc.gmerj.8.1.004
  4. Splenectomy Increases CTEPH Risk and Modifies Clinical Features of Acute Pulmonary Embolism. White D, Locke BW, Scarpato BM, Cirulis MM, Raif K, Dodson MW. Pulmonary Circulation. 2026. doi:10.1002/pul2.70231 PubMed
  5. Post-Acute Ventilator Weaning and Discharge Outcomes in Individuals With Cervical Spinal Cord Injury. Fenger C, Locke BW, Barker J, Tang W, Creveling P, Foster-Palmer S, Flis A, Park K, Rosenbluth J, Brown JP. Respiratory Care. 2026. doi:10.1177/19433654261428406 PubMed
  6. The Consistency of Hypercapnic Respiratory Failure Case Definitions in Electronic Health Record Data. Locke BW, Richards WW, Gouripeddi R, Brown JP, Anderson-Bell D, Finkelstein J, Sundar KM, Peltan ID, Brown SM. CHEST. 2026. doi:10.1016/j.chest.2025.08.002 PubMed
  7. Emergency Department Presenting Concerns Among Admissions With Hypercapnia: A Retrospective NLP Study of MIMIC-IV. Merdad RH, Ramirez M, Christenson M, Pettine WW, Locke BW. medRxiv. 2026. doi:10.64898/2026.07.03.26357242
  8. Diagnostic Modeling to Identify Unrecognized Inpatient Hypercapnia Using Health Record Data. Locke BW, Richards WW, Brown JP, Cui W, Finkelstein J, Sundar KM, Gouripeddi R. Artificial Intelligence in Medicine / Lecture Notes in Computer Science. 2024. doi:10.1007/978-3-031-66538-7_4
  9. Decision Curve Analysis for Evaluating Machine Learning Models for Next-Day Transfer Out of ICU. Pozo M, Pape A, Locke B, Pettine WW. medRxiv. 2026. doi:10.64898/2026.04.19.26351213 PubMed
  10. Entropy removal of clinical features. Samadian KD, Chua E, Peng B, Coleska A, Hassan A, Chong P, Locke B, Liebovitz DM, Rohlfsen C, He S. Scientific Reports. 2025. doi:10.1038/s41598-025-29069-0 PubMed
  11. The association of weight loss from anti-obesity medications or bariatric surgery and apnea-hypopnea index in obstructive sleep apnea. Locke BW, Gomez-Lumbreras A, Tan CJ, Nonthasawadsri T, Veettil SK, Patikorn C, Chaiyakunapruk N. Obesity Reviews. 2024. doi:10.1111/obr.13697 PubMed
  12. Assessing Foundation Models' Transferability to Physiological Signals in Precision Medicine. Christenson M, Geary C, Locke B, Koirala P, Pettine WW. arXiv. 2024. doi:10.48550/arxiv.2412.03427
  13. Immersive Virtual Reality Use in Medical Intensive Care: Mixed Methods Feasibility Study. Locke BW, Tsai TY, Reategui-Rivera CM, Gabriel AS, Smiley A, Finkelstein J. JMIR Serious Games. 2024. doi:10.2196/62842
  14. Use of High-Dose Hydroxocobalamin for Septic Shock. Carr JR, Locke B, Patel JJ, Peltan ID, Brown SM, Bosch NA, Law AC. CHEST. 2025. doi:10.1016/j.chest.2025.01.016 PubMed
  15. Surgical and N95 Masks in Chronic Hypercapnic Respiratory Failure: What Physiology Can and Cannot Tell Us. Locke BW. Respiratory Care. 2026. doi:10.1177/19433654261424871 PubMed
  16. The Role of Obstructive Sleep Apnea in Hypercapnic Respiratory Failure Identified in Critical Care, Inpatient, and Outpatient Settings. Locke BW, Brown JP, Sundar KM. Sleep Medicine Clinics. 2024. doi:10.1016/j.jsmc.2024.02.012
  17. Seeing the random forest for the Zzz's: machine learning's new role in sleep science. Anderson-Bell D, Locke BW. Journal of Clinical Sleep Medicine. 2025. doi:10.5664/jcsm.11674 PubMed
  18. OSA and Chronic Respiratory Disease: Mechanisms and Epidemiology. Locke BW, Lee JJ, Sundar KM. International Journal of Environmental Research and Public Health. 2022. doi:10.3390/ijerph19095473
  19. Hickam's Dictum: An Analysis of Multiple Diagnoses. Aberegg SK, Poole BR, Locke BW. Journal of General Internal Medicine. 2024. doi:10.1007/s11606-024-09120-y
  20. What Are We Aiming for in Chronic Hypercapnic Respiratory Failure? Locke BW, Brown J. Respiratory Care. 2023. doi:10.4187/respcare.11573
  21. Uncomfortable Truths About Data, Justice, and Idiopathic Pulmonary Fibrosis in the Veterans Health Administration. Locke BW, Callahan SJ. CHEST. 2023. doi:10.1016/j.chest.2023.03.037

Selected presentations

A55-47 Prognostic Value of Hypercapnia by ABG vs VBG: A Propensity-Weighted, Multicenter EHR Cohort

American Thoracic Society International Conference, Orlando, FL

B38-12 Intern Code Blue and Rapid Response Leadership: A Pre-post Evaluation of a Micro-Module Curriculum

American Thoracic Society International Conference, Orlando, FL

C56-19 Beyond Verification: Exploring Resident Attitudes and Behaviors in Code-Status Discussions

American Thoracic Society International Conference, Orlando, FL

C58-05 Epidemiology of Sarcoidosis in Utah: Incidence, Organ Involvement, and Mortality Compared With National Benchmarks

American Thoracic Society International Conference, Orlando, FL

C75-05 Costs Surrounding Index Hospitalization for Any-Cause Hypercapnic Respiratory Failure in an Integrated Healthsystem

American Thoracic Society International Conference, Orlando, FL

C75-09 Chief Complaint Profiles in Hypercapnic Respiratory Failure: A Natural Language Processing Study of MIMIC-IV

American Thoracic Society International Conference, Orlando, FL

Simulation suggests transcutaneous CO2 sensors may accurately detect hypercapnia across settings

CHEST, Chicago, IL

Rates of diagnostic evaluation for causes of hypercapnic respiratory failure in Utah

American Thoracic Society International Conference, San Francisco, CA

Central versus peripheral location of pulmonary embolism in asplenic patients

American Thoracic Society International Conference, San Francisco, CA

Enhancing intern leadership of inpatient emergencies

American Thoracic Society International Conference, San Francisco, CA

In silico estimation of transcutaneous CO2 sensor performance

American Thoracic Society International Conference, San Francisco, CA

Hypercapnic respiratory failure is infrequently reported as an adverse event in clinical trials

CHEST, Boston, MA

Low research-burden study of immersive virtual reality feasibility in ICU

CHEST, Boston, MA

Determinants of serum bicarbonate performance for identifying hypercapnia

American Thoracic Society International Conference, San Diego, CA

Teaching and curriculum

Obesity-related respiratory failure

Invited talk · Utah American College of Physicians

Recent pancreatitis evidence

Seminar · Intermountain TeleCritical Care

Data Wrangling

Guest lecture · University of Utah DBMI 6016

Systematic Reviews and Meta-analysis

Guest lecture · University of Utah MDCRC 6200

Statistical Methods in Sleep Medicine for Establishing Causality

Invited teaching · University of Utah Sleep Division

Pulmonary and critical care fellowship bootcamp

Fellowship teaching · University of Utah PCCM Fellowship

PCCM fellows journal club and statistics workshop

Curricular design · University of Utah PCCM Fellowship

Code blues and rapid responses

Curricular design and simulation · University of Utah Internal Medicine Residency

Respiratory failure and blood gas interpretation

Residency teaching · University of Utah Internal Medicine Residency

Clinical AI/LLMs, spirometry, and COPD

Residency teaching · University of Utah Internal Medicine Residency

Service, honors, and peer review

Service

  • Core Faculty, University of Utah Pulmonary and Critical Care Fellowship
  • Investigator, University of Utah Medical Machine Intelligence Lab
  • Program Committee, 22nd International Conference on Artificial Intelligence in Medicine
  • University of Utah School of Medicine Phase IV Subcommittee
  • University of Utah Student Trainee Advisory Committee, member and chair
  • University of Utah GME Value Council, founding member

Honors

American Thoracic Society ASPIRE Fellowship

American Thoracic Society Assembly Sleep and Respiratory Neurobiology Abstract Scholarship

American Academy of Sleep Medicine Young Investigators Research Forum

Top Poster, Research and Innovation, Rocky Mountain Hospital Medicine Symposium

Peer review

  • American Journal of Respiratory and Critical Care Medicine
  • Respiratory Care
  • Journal of Clinical Sleep Medicine
  • Journal of Medical Internet Research
  • International Journal of Environmental Research and Public Health
  • Sleep and Breathing
  • Sleep Epidemiology
  • Lung

Professional disclosure

Brian W. Locke has an equity interest in and serves as an advisor to Mountain Biometrics, Inc. (MTN), a healthcare data-integration company. This relationship is separate from his role at Intermountain Health.