Joseph A. Orr

Joseph A. Orr, PhD, MS, MEM

Languages spoken: Spanish, English

Academic Information

Departments Primary - Anesthesiology

Education History

Undergraduate Arizona State University
 BS
Graduate Training University of Utah
 MS
Graduate Training Brigham Young University
 MEM
Doctoral Training University of Utah
 PhD

Selected Publications

Journal Article

  1. Ermer S, Brewer L, Orr J, Egan TD, Johnson K. (2018). Comparison of 7 Different Sensors for Detecting Low Respiratory Rates Using a Single Breath Detection Algorithm in Nonintubated, Sedated Volunteers. Anesthesia and analgesia, epub,
  2. Burk KM, Sakata DJ, Kuck K, Orr J (2019). Comparing Nasal End-Tidal Carbon Dioxide Measurement Variation and Agreement While Delivering Pulsed and Continuous Flow Oxygen in Volunteers and Patients. Anesthesia and analgesia, 130(3), 715-724. (Read full article)
  3. Birgenheier N, Stoker R, Westenskow D, Orr (2011). Activated charcoal effectively removes inhaled anesthetics from modern anesthesia machines. Anesthesia and analgesia, 112(6), 1363-70. (Read full article)
  4. Ermer S, Brewer L, Orr J, Egan TD, Johnson (2019). Comparison of 7 Different Sensors for Detecting Low Respiratory Rates Using a Single Breath Detection Algorithm in Nonintubated, Sedated Volunteers. Anesthesia and analgesia, 129(2), 399-408. (Read full article)
  5. Allen SG, Brewer L, Gillis ES, Pace NL, Sakata DJ, Orr J (2017). A Turbine-Driven Ventilator Improves Adherence to Advanced Cardiac Life Support Guidelines During a Cardiopulmonary Resuscitation Simulation. Respiratory care, 62(9), 1166-1170. (Read full article)
  6. Teng WN, Ting CK, Wang YT, Yang KY, Tsou MY, Orr JA, Burk KM, Chiang H, Lin C (2019). Novel mandibular advancement bite block with supplemental oxygen to both nasal and oral cavity improves oxygenation during esophagogastroduodenoscopy: a bench comparison. Journal of clinical monitoring and computing, 33(3), 523-530. (Read full article)
  7. Görges M, Westenskow DR, Kück K, Orr J (2010). A tool predicting future mean arterial blood pressure values improves the titration of vasoactive drugs. Journal of clinical monitoring and computing, 24(3), 223-35. (Read full article)
  8. Burk KM, Kuck K, Orr J (2019). Evaluation and application of a method for estimating nasal end-tidal O2 fraction while administering supplemental O2. Journal of clinical monitoring and computing, 33(6), 1071-1080. (Read full article)
  9. Fogarty M, Kuck K, Orr J, Sakata (2019). A comparison of controlled ventilation with a noninvasive ventilator versus traditional mask ventilation. Journal of clinical monitoring and computing, 34(4), 771-777. (Read full article)
  10. Brewer L, Orr J, Fulcher E, Markewitz (2011). Evaluation of a CO2 partial rebreathing functional residual capacity measurement method for use during mechanical ventilation. Journal of clinical monitoring and computing, 25(6), 397-404. (Read full article)
  11. Chang KC, Orr J, Hsu WC, Yu L, Tsou MY, Westenskow DR, Ting C (2016). Accuracy of CO¿ monitoring via nasal cannulas and oral bite blocks during sedation for esophagogastroduodenoscopy. Journal of clinical monitoring and computing, 30(2), 169-73. (Read full article)
  12. Hsu WC, Orr J, Lin SP, Yu L, Tsou MY, Westenskow DR, Ting C (2018). Efficiency of oxygen delivery through different oxygen entrainment devices during sedation under low oxygen flow rate: a bench study. Journal of clinical monitoring and computing, 32(3), 519-525. (Read full article)
  13. Farney RJ, Johnson KB, Ermer SC, Orr JA, Egan TD, Morris AH, Brewer L (2024). Quantified Ataxic Breathing Can Detect Opioid-Induced Respiratory Depression Earlier in Normal Volunteers Infused with Remifentanil. Anesthesia and analgesia, (Read full article)
  14. Fogarty M, Orr JA, Sakata D, Brewer L, Johnson K, Fang JC, Kuck (2020). A comparison of ventilation with a non-invasive ventilator versus standard O(2) with a nasal cannula for colonoscopy with moderate sedation using propofol. Journal of clinical monitoring and computing, 34(6), 1215-1221. (Read full article)
  15. Ermer SC, Farney RJ, Johnson KB, Orr JA, Egan TD, Brewer L (2020). An Automated Algorithm Incorporating Poincaré Analysis Can Quantify the Severity of Opioid-Induced Ataxic Breathing. Anesthesia and analgesia, 130(5), 1147-1156. (Read full article)
  16. Burk KM, Orr J (2020). A procedure for determining subject-specific pulse oxygen saturation response. Medical & biological engineering & computing, 58(4), 753-761. (Read full article)
  17. Burk KM, Narayan A, Orr J (2020). Efficient sampling for polynomial chaos-based uncertainty quantification and sensitivity analysis using weighted approximate Fekete points. International journal for numerical methods in biomedical engineering, 36(11), e3395. (Read full article)
  18. Kolbay PR, Orr JA, Kück (2022). Volatile anesthetic gas concentration sensing using flow sensor fusion for use in Austere settings. Journal of clinical monitoring and computing, 36(3), 725-733. (Read full article)
  19. Blackwell T, Orr J, Sakata D, Kuck (2025). Evaluation of Venturi Adapters for CPAP. Respiratory care, 70(8), 995-1004. (Read full article)

Letter

  1. Sakata DJ, Orr J (2020). Manufacturer's Response to "Residual volatile anesthetics after workstation preparation and activated charcoal filtration.". Acta anaesthesiologica Scandinavica, 64(9), 1382. (Read full article)