Rachel Liu, BAO, MBBCh, FACEP, FAIUM
Associate Professor of Emergency MedicineCards
About
Research
Publications
2025
Artificial Intelligence–Guided Lung Ultrasound by Nonexperts
Baloescu C, Bailitz J, Cheema B, Agarwala R, Jankowski M, Eke O, Liu R, Nomura J, Stolz L, Gargani L, Alkan E, Wellman T, Parajuli N, Marra A, Thomas Y, Patel D, Schraft E, O’Brien J, Moore C, Gottlieb M. Artificial Intelligence–Guided Lung Ultrasound by Nonexperts. JAMA Cardiology 2025, 10: 245-253. PMID: 39813064, PMCID: PMC11904735, DOI: 10.1001/jamacardio.2024.4991.Peer-Reviewed Original ResearchThis study shows AI helps non-experts create expert-quality lung ultrasound images, which may improve healthcare diagnostics access in underserved areas.Governance Considerations for Point-of-Care Ultrasound: a HIMSS-SIIM Enterprise Imaging Community Whitepaper in Collaboration with AIUM
Ma I, Francavilla M, Nomura J, Kielski A, Fernandez F, Piro K, Liu R, Valenzuela J, Toland M, Koehler J, Cohen G, Eid M, Choi W, Nolan J, Ferre R, McBee M, Kummer T, Lanspa M, Brown J, DeStigter K, Desyatnikova S, Bottemiller A. Governance Considerations for Point-of-Care Ultrasound: a HIMSS-SIIM Enterprise Imaging Community Whitepaper in Collaboration with AIUM. Journal Of Imaging Informatics In Medicine 2025, 1-15. DOI: 10.1007/s10278-024-01365-7.Peer-Reviewed Original ResearchEnterprise imagePoint-of-care ultrasoundWorkflow solutionTechnology governanceWorkflow needsInformation governancePatient care outcomesPoint-of-careUnique workflowCare outcomesClinical governancePoint-of-care ultrasound imagingHealthcare settingsHealthcare systemOperational efficiencyImagesImplementationInformationHealthcareEducational requirementsGovernance committeeClinical informationInstitutional policiesWorkflowGovernance Considerations for Point-of-Care Ultrasound: a HIMSS-SIIM Enterprise Imaging Community Whitepaper in Collaboration with AIUM.
Ma I, Francavilla M, Nomura J, Kielski A, Fernandez F, Piro K, Liu R, Valenzuela J, Toland M, Koehler J, Cohen G, Eid M, Choi W, Nolan J, Ferre R, McBee M, Kummer T, Lanspa M, Brown J, DeStigter K, Desyatnikova S, Bottemiller A. Governance Considerations for Point-of-Care Ultrasound: a HIMSS-SIIM Enterprise Imaging Community Whitepaper in Collaboration with AIUM. Journal Of Imaging Informatics In Medicine 2025 PMID: 39753828, DOI: 10.1007/s10278-024-01365-7.Peer-Reviewed Original ResearchEnterprise imagePoint-of-care ultrasoundWorkflow solutionTechnology governanceWorkflow needsInformation governancePatient care outcomesPoint-of-careUnique workflowCare outcomesClinical governancePoint-of-care ultrasound imagingHealthcare settingsHealthcare systemOperational efficiencyImagesImplementationInformationHealthcareEducational requirementsGovernance committeeClinical informationInstitutional policiesWorkflow
2023
A Tool to Assess Competence in Critical Care Ultrasound Based on Entrustable Professional Activities
Israel H, Slade M, Gielissen K, Liu R, Pisani M, Chichra A. A Tool to Assess Competence in Critical Care Ultrasound Based on Entrustable Professional Activities. ATS Scholar 2023, 4: 61-75. PMID: 37089679, PMCID: PMC10117444, DOI: 10.34197/ats-scholar.2022-0063oc.Peer-Reviewed Original ResearchCritical care ultrasoundCritical care fellowsCare ultrasoundStudy periodAssessment toolEntrustable professional activitiesCritical Care SocietyResponse process validityAssessment of validitySingle institutionExpert consensusNominal group techniqueEntrustment scoresSufficient validity evidenceRegression analysisScoresContent validityClinical workflowProcess validityRegression modelsValidity evidenceUltrasoundHigh agreementCore Entrustable Professional ActivitiesICU
2022
A consensus list of ultrasound competencies for graduating emergency medicine residents
Haidar D, Peterson W, Minges P, Carnell J, Nomura J, Bailitz J, Boyd J, Leo M, Liu E, Duanmu Y, Acuña J, Kessler R, Elegante M, Nelson M, Liu R, Lewiss R, Nagdev A, Huang R. A consensus list of ultrasound competencies for graduating emergency medicine residents. AEM Education And Training 2022, 6: e10817. PMID: 36425790, PMCID: PMC9677397, DOI: 10.1002/aet2.10817.Peer-Reviewed Original ResearchEFSUMB Clinical Practice Guidelines for Point-of-Care Ultrasound: Part One (Common Heart and Pulmonary Applications) LONG VERSION.
Jarman RD, McDermott C, Colclough A, Bøtker M, Knudsen L, Harris T, Albaroudi B, Albaroudi O, Haddad M, Darke R, Berry E, Breslin T, Fitzpatrick G, Flanagan L, Olusanya O, Craver D, Omar A, Simpson T, Cherian N, Dore M, Prosen G, Kay S, Villén-Villegas T, Gargani L, Carley S, Woo M, Dupriez F, Hussain A, Via G, Connolly JA, Peck M, Melniker L, Walden A, Attard Biancardi MA, Żmijewska-Kaczor O, Lalande E, Geukens P, McLaughlin R, Olszynski P, Hoffmann B, Chin E, Muhr C, Kim DJ, Mercieca A, Shukla D, Hayward S, Smith M, Gaspari R, Smallwood N, Pes P, Tavazzi G, Corradi F, Lambert M, Morris C, Trauer M, Baker K, Bystrzycki A, Goudie A, Liu R, Rudd L, Dietrich CF, Jenssen C, Sidhu PS. EFSUMB Clinical Practice Guidelines for Point-of-Care Ultrasound: Part One (Common Heart and Pulmonary Applications) LONG VERSION. Ultraschall In Der Medizin (Stuttgart, Germany : 1980) 2022 PMID: 36228631, DOI: 10.1055/a-1882-5615.Peer-Reviewed Original ResearchEFSUMB Clinical Practice Guidelines for Point-of-Care Ultrasound: Part One (Common Heart and Pulmonary Applications) SHORT VERSION.
Jarman RD, Colclough A, McDermott C, Bøtker M, Knudsen L, Harris T, Albaroudi B, Albaroudi O, Haddad M, Darke R, Berry E, Breslin T, Fitzpatrick G, Flanagan L, Olusanya O, Craver D, Omar A, Simpson T, Cherian N, Dore M, Prosen G, Kay S, Villén-Villegas T, Gargani L, Carley S, Woo M, Dupriez F, Hussain A, Via G, Connolly JA, Peck M, Melniker L, Walden A, Attard Biancardi MA, Żmijewska-Kaczor O, Lalande E, Geukens P, McLaughlin R, Olszynski P, Hoffmann B, Chin E, Muhr C, Kim DJ, Mercieca A, Shukla D, Hayward S, Smith M, Gaspari R, Smallwood N, Pes P, Tavazzi G, Corradi F, Lambert M, Morris C, Trauer M, Baker K, Bystrzycki A, Goudie A, Liu R, Rudd L, Dietrich CF, Jenssen C, Sidhu PS. EFSUMB Clinical Practice Guidelines for Point-of-Care Ultrasound: Part One (Common Heart and Pulmonary Applications) SHORT VERSION. Ultraschall In Der Medizin (Stuttgart, Germany : 1980) 2022 PMID: 36228630, DOI: 10.1055/a-1882-6116.Peer-Reviewed Original ResearchEmergency department initiated resuscitative endovascular balloon occlusion of the aorta (REBOA) for out‐of‐hospital cardiac arrest is feasible and associated with improvements in end‐tidal carbon dioxide
Daley J, Buckley R, Kisken KC, Barber D, Ayyagari R, Wira C, Aydin A, Latich I, Lozada JCP, Joseph D, Marino A, Mojibian H, Pollak J, Chaar CO, Bonz J, Belsky J, Coughlin R, Liu R, Sather J, Van Tonder R, Beekman R, Fults E, Johnson A, Moore C. Emergency department initiated resuscitative endovascular balloon occlusion of the aorta (REBOA) for out‐of‐hospital cardiac arrest is feasible and associated with improvements in end‐tidal carbon dioxide. Journal Of The American College Of Emergency Physicians Open 2022, 3: e12791. PMID: 36176506, PMCID: PMC9463569, DOI: 10.1002/emp2.12791.Peer-Reviewed Original ResearchAdvanced cardiac life supportResuscitative endovascular balloon occlusionEnd-tidal carbon dioxideHospital cardiac arrestEndovascular balloon occlusionAortic occlusionCardiac life supportOHCA patientsBalloon occlusionCardiac arrestEmergency departmentLife supportAcademic urban EDEarly feasibility trialUrban ED settingIntra-aortic balloonTidal carbon dioxideReperfusion strategyHospital admissionSpontaneous circulationUrban EDED settingFeasibility trialBalloon deflationChest compressionsDefinitive Advantages of Point-of-Care Ultrasound: A Case Series
Lanspa MJ, Fox SW, Sohn J, Dugar S, Klick JC, Diaz-Gomez J, Liu R, Panebianco N. Definitive Advantages of Point-of-Care Ultrasound: A Case Series. Case 2022, 6: 293-298. PMID: 36036052, PMCID: PMC9399626, DOI: 10.1016/j.case.2022.05.008.Peer-Reviewed Original ResearchInternational consensus conference recommendations on ultrasound education for undergraduate medical students
Hoppmann RA, Mladenovic J, Melniker L, Badea R, Blaivas M, Montorfano M, Abuhamad A, Noble V, Hussain A, Prosen G, Villen T, Via G, Nogue R, Goodmurphy C, Bastos M, Nace GS, Volpicelli G, Wakefield RJ, Wilson S, Bhagra A, Kim J, Bahner D, Fox C, Riley R, Steinmetz P, Nelson BP, Pellerito J, Nazarian LN, Wilson LB, Ma IWY, Amponsah D, Barron KR, Dversdal RK, Wagner M, Dean AJ, Tierney D, Tsung JW, Nocera P, Pazeli J, Liu R, Price S, Neri L, Piccirillo B, Osman A, Lee V, Naqvi N, Petrovic T, Bornemann P, Valois M, Lanctot JF, Haddad R, Govil D, Hurtado LA, Dinh VA, DePhilip RM, Hoffmann B, Lewiss RE, Parange NA, Nishisaki A, Doniger SJ, Dallas P, Bergman K, Barahona JO, Wortsman X, Smith RS, Sisson CA, Palma J, Mallin M, Ahmed L, Mustafa H. International consensus conference recommendations on ultrasound education for undergraduate medical students. The Ultrasound Journal 2022, 14: 31. PMID: 35895165, PMCID: PMC9329507, DOI: 10.1186/s13089-022-00279-1.Peer-Reviewed Original ResearchUndergraduate medical studentsUltrasound educationUltrasound curriculumMedical studentsMedical school curriculumMedical student levelUndergraduate learningCurricular characteristicsCurricular scopeSchool curriculumCurricular contentCurricular integrationCurricular domainsStudent levelEducational valueMedical educationCurriculumStudentsAdvanced trainingEducationDiscussion sessionsClinical scienceCollaborative researchPatient careOngoing collaborative research
Academic Achievements & Community Involvement
Clinical Care
Overview
Rachel Liu, MBBCh (a medical degree from outside the U.S.), is a specialist in emergency medicine with a particular focus on the use of point-of-care ultrasound, a portable imaging technique that allows clinicians to obtain real-time visual information at the bedside, assisting in the rapid diagnosis and management of various conditions.
In addition to her clinical work, Dr. Liu is an associate professor of emergency medicine at Yale School of Medicine. She serves as the director of point-of-care ultrasound education and integrates ultrasound education across basic, physical, and clinical sciences for medical students.
Dr. Liu earned her medical degree from Trinity College and completed her residency in emergency medicine at New York Medical College/Metropolitan Hospital Center. She further specialized with a fellowship in emergency ultrasound at Yale School of Medicine.
Clinical Specialties
Emergency Medicine
Fact Sheets
Bedside Ultrasound
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Board Certifications
Emergency Medicine
- Certification Organization
- AB of Emergency Medicine
- Original Certification Date
- 2012
Yale Medicine News
News & Links
News
- June 18, 2024
Yale EM has prodigious showing at SAEM24
- June 28, 2023
Yale Emergency Medicine Women Faculty Recognized Nationally
- November 18, 2021
Reimagining Medical Education: Using Technology to Educate, Innovate, and Captivate
- April 04, 2021
Associate Professor Rachel Liu Appointed Curriculum Director for the Advanced Training Period
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