The presentation can be downloaded from here.
Melnick, E.R., Dyrbye, L.N., Sinsky, C.A., et al. "The Association Between Perceived Electronic Health Record Usability and Professional Burnout Among US Physicians." Mayo Clinic Proceedings, 2020; 95(3):476–487. https://doi.org/10.1016/j.mayocp.2019.09.024
U.S. Surgeon General. Addressing Health Worker Burnout: The U.S. Surgeon General's Advisory on Building a Thriving Health Workforce. U.S. Department of Health and Human Services, 2022. https://www.ncbi.nlm.nih.gov/books/NBK595228/
ECRI Institute. Top 10 Health Technology Hazards (annual report, 2007–present). https://www.ecri.org/landing-2020-top-ten-health-technology-hazards — Corroborated by: Joint Commission Sentinel Event Alert #54 (2015); AHRQ Making Healthcare Safer III; FDA MAUDE database (566 alarm-related deaths, 2005–2008).
Becker's Healthcare / Johns Hopkins Medicine. "Systems ramp up efforts to reduce documentation time." Becker's Hospital Review, 2024. https://www.beckershospitalreview.com/quality/nursing/systems-ramp-up-efforts-to-reduce-documentation-time/
Melnick, E.R., Dyrbye, L.N., Sinsky, C.A., et al. "The Association Between Perceived Electronic Health Record Usability and Professional Burnout Among US Physicians." Mayo Clinic Proceedings, 2020; 95(3):476–487. https://doi.org/10.1016/j.mayocp.2019.09.024
Multiple sources including JAMIA. Associations of physician burnout with organizational EHR support. Journal of the American Medical Informatics Association, 2021; 28(5):960–970. https://academic.oup.com/jamia/article/28/5/960/6242740 — Note: cite the $140B figure with "estimates suggest" as the range varies across studies.