[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638301":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":10,"locations":23,"responsibleParty":41,"collaborators":10,"id":43,"slug":10,"hasResults":44,"nctId":45,"briefTitle":46,"officialTitle":47,"acronym":10,"eligibilityCriteria":48,"healthyVolunteers":49,"sex":50,"minAge":51,"maxAge":10,"enrollmentInfo":52,"targetDuration":10,"studyType":55,"phases":10,"briefSummary":56,"conditions":57,"keywords":61,"overallStatus":25,"whyStopped":10,"lastUpdateSubmitDate":65,"lastUpdatePostDateStruct":66,"startDateStruct":69,"completionDateStruct":71,"leadSponsor":73,"locationsCount":74},{"fullName":5,"class":6},"Medical University of Warsaw","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Operator without experience in cardiac ultrasound examinations",null,"Medical student at Medical University of Warsaw or licensed physician",[13],"Other: transthoracic echocardiography",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"transthoracic echocardiography","After brief training, operators will measure Velocity-Time Integral (in cm) of Left Ventricular Outflow Tract Obstruction in healthy volunteers.",[9],[20],{"name":21,"affiliation":5,"role":22},"Julia Trzebicka, MD","PRINCIPAL_INVESTIGATOR",[24],{"facility":5,"status":25,"city":26,"state":10,"zip":10,"country":27,"cosmosGeoPoint":28,"geoPoint":33,"contacts":34},"RECRUITING","Warsaw","Poland",{"type":29,"coordinates":30},"Point",[31,32],21.01178,52.22977,{"lat":32,"lon":31},[35,39],{"name":5,"role":36,"phone":37,"phoneExt":10,"email":38},"CONTACT","48 22 599 2002","julia.mazurek@uckwum.pl",{"name":40,"role":36,"phone":10,"phoneExt":10,"email":10},"Julia Trzebicka",{"type":42,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100638301",false,"NCT07600931","Assessment of LVOT VTI in Healthy Volunteers","Reproducibility, Intra- and Inter-Observer Variability of Bedside Cardiac Ultrasound Measurements in the Assessment of Hemodynamic Parameters in Healthy Volunteers","Inclusion Criteria:\n\n* Age \\> 18 years,\n* Medical student at Medical University of Warsaw or licensed physician.\n\nExclusion Criteria:\n\n* Age \\\u003C 18 years,\n* Prior experience in performing cardiac ultrasound examinations, including acquisition of apical five- and three-chamber views and Doppler measurements of LVOT VTI.",true,"ALL","18 Years",{"count":53,"type":54},30,"ESTIMATED","OBSERVATIONAL","Healthy subjects will have transthoracic echocardiography evaluation of Left Ventricular Outflow Tract Velocity-Time Integral (LVOT VTI) performed by operators after brief training.",[58,59,60],"Hemodynamic Assessment","Bedside Ultrasonography","Point of Care Ultrasound (POCUS)",[58,62,59,63,64],"Velocity-Time Integral","Point of care ultrasound","Critical care","2026-05-14",{"date":67,"type":68},"2026-05-22","ACTUAL",{"date":70,"type":54},"2026-05-11",{"date":72,"type":54},"2027-01",{"name":5,"class":6},1]