Zachary Boivin
Assistant Professor of Emergency MedicineCards
About
Research
Publications
2025
Relationship of aortic outflow tract size on point-of-care ultrasound to aortic dissection diagnosis
Boivin Z, Agaraj I, Danta M, Denkewicz R, Lopez A, Greenstein D, Hesami M, Moore C. Relationship of aortic outflow tract size on point-of-care ultrasound to aortic dissection diagnosis. The American Journal Of Emergency Medicine 2025, 98: 168-172. PMID: 40886677, DOI: 10.1016/j.ajem.2025.08.059.Peer-Reviewed Original ResearchType B dissectionComputed tomography angiographyType A DissectionAortic dissectionB dissectionStatistically significant differenceCross-sectional studyChart reviewMulticenter validationAortic dissection diagnosisSpecificity of PoCUSThoracic aortic dilatationRetrospective cross-sectional studyEmergency departmentMortality rateStanford type ASignificant differenceAortic dissection patientsAbdominal aortic aneurysmPrimary study outcomeTrained study investigatorsCoded visitsRepair aortic dissectionChronic dissectionAortic dilatationTroubleshooting Foley Catheter Problems Using Point-of-Care Ultrasound
Boivin Z, Li J, Gottlieb M, Liu R. Troubleshooting Foley Catheter Problems Using Point-of-Care Ultrasound. Journal Of Emergency Medicine 2025, 78: 12-18. PMID: 40945391, DOI: 10.1016/j.jemermed.2025.07.049.Peer-Reviewed Original ResearchPoint-of-care ultrasoundEmergency departmentCatheter problemsFoley catheterFoley catheter placementBalloon malfunctionDifferential diagnosisFoley balloonUrine drainagePoint-of-careFoley catheter drainagePotential diagnosisBladder scannerFoleyCatheter drainageCatheter placementDistended bladderSaline flushCatheter manipulationCatheterInterventionHematuriaPatientsBladderBlood clotsWoman With Vaginal Bleeding
Boivin Z. Woman With Vaginal Bleeding. Annals Of Emergency Medicine 2025, 86: 200-201. PMID: 40685216, DOI: 10.1016/j.annemergmed.2025.02.016.Peer-Reviewed Original ResearchThe authors respond to reader comment regarding “accuracy of point-of-care ultrasound in diagnosing retained products of conception”
Boivin Z, Li J, Liu R, Moore C. The authors respond to reader comment regarding “accuracy of point-of-care ultrasound in diagnosing retained products of conception”. The American Journal Of Emergency Medicine 2025, 95: 253. PMID: 40518347, DOI: 10.1016/j.ajem.2025.06.028.Peer-Reviewed Original ResearchWoman With Flank Pain
Boivin Z, Liu R. Woman With Flank Pain. Annals Of Emergency Medicine 2025, 85: 564-565. PMID: 40404219, DOI: 10.1016/j.annemergmed.2025.01.001.Peer-Reviewed Original ResearchVariation in point‐of‐care ultrasound privileges in academic emergency departments
Boivin Z, Venkatesh A, Moore C. Variation in point‐of‐care ultrasound privileges in academic emergency departments. Academic Emergency Medicine 2025, 32: 1033-1035. PMID: 40407801, DOI: 10.1111/acem.70067.Peer-Reviewed Original ResearchAssociation of dilated aortic root on point-of-care ultrasound with aortic aneurysm and dissection
Hesami M, Denkewicz R, Boivin Z, Bhalodkar S, Li J, Moore C. Association of dilated aortic root on point-of-care ultrasound with aortic aneurysm and dissection. The American Journal Of Emergency Medicine 2025, 95: 89-94. PMID: 40440820, DOI: 10.1016/j.ajem.2025.05.039.Peer-Reviewed Original ResearchThoracic aortic aneurysmThoracic aortic dissectionPoint-of-care ultrasound measurementsPoint-of-care ultrasoundPositive predictive valueAortic aneurysmEfficacy of point-of-care ultrasoundAccuracy of point-of-care ultrasoundDiagnostic accuracy of point-of-care ultrasoundCardiac point-of-care ultrasoundAssociated with thoracic aortic dissectionPredictive valueDilated aortic rootAssociated with thoracic aortic aneurysmAortic root measurementsLife-threatening conditionBland-Altman plotsChest CTAortic measurementsPrompt diagnosisAortic dissectionAortic rootDiagnostic accuracyPatientsMedical recordsDiagnosis of Cardiac Transplant Rejection Using Point-of-Care Ultrasound
Li J, Boivin Z, Boyer W, Liu R. Diagnosis of Cardiac Transplant Rejection Using Point-of-Care Ultrasound. Journal Of Emergency Medicine 2025 DOI: 10.1016/j.jemermed.2025.04.011.Peer-Reviewed Original ResearchPoint-of-care ultrasoundAcute cellular rejectionCellular rejectionEmergency departmentRight ventricular (RV) dilatationDiagnosis of transplant rejectionYear post cardiac transplantationPoint-of-care ultrasound findingsEmergency physiciansIncreased tricuspid regurgitationPost-cardiac transplantationCardiac allograft vasculopathyRight heart catheterizationEnd-stage heart failureShortness of breathAllograft vasculopathyConfirmatory biopsyRV dysfunctionDiastolic abnormalitiesEndomyocardial biopsyTricuspid regurgitationHeart catheterizationCardiac transplantationTransplant-related issuesNonspecific symptomsLetter to the editor regarding ‘does point-of-care ultrasound examination by the general practitioner lead to inappropriate care? A follow-up study’
Boivin Z. Letter to the editor regarding ‘does point-of-care ultrasound examination by the general practitioner lead to inappropriate care? A follow-up study’. Scandinavian Journal Of Primary Health Care 2025, ahead-of-print: 1-2. PMID: 40293723, DOI: 10.1080/02813432.2025.2499172.Peer-Reviewed Original ResearchAutomated computation of the HEART score with the GPT-4 large language model
Wright D, Socrates V, Huang T, Safranek C, Sangal R, Dilip M, Boivin Z, Srica N, Wright C, Feher A, Miller E, Chartash D, Taylor R. Automated computation of the HEART score with the GPT-4 large language model. The American Journal Of Emergency Medicine 2025, 93: 120-125. PMID: 40184662, PMCID: PMC12202168, DOI: 10.1016/j.ajem.2025.03.065.Peer-Reviewed Original ResearchConceptsClinical decision supportHEART scoreChest pain observation unitAverage heart scoreCohen's weighted kappaDecision supportNurse practitionersPhysician assistantsRetrospective cohort studyRoutine careCases of disagreementProspective InvestigationAPP scoresCohort studySafety interventionsPhysician judgmentObservation unitAdverse cardiac eventsInstitutional registryScoresPhysiciansInterventionParticipantsNo significant differenceApps