[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638301":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":10,"locations":23,"responsibleParty":42,"collaborators":10,"id":44,"slug":45,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":49,"acronym":10,"eligibilityCriteria":50,"healthyVolunteers":51,"sex":52,"minAge":53,"maxAge":10,"enrollmentInfo":54,"targetDuration":10,"studyType":57,"phases":10,"briefSummary":58,"conditions":59,"keywords":63,"overallStatus":25,"whyStopped":10,"lastUpdateSubmitDate":67,"lastUpdatePostDateStruct":68,"startDateStruct":71,"completionDateStruct":73,"leadSponsor":75,"locationsCount":76},{"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,"countryCode":28,"cosmosGeoPoint":29,"geoPoint":34,"contacts":35},"RECRUITING","Warsaw","Poland","PL",{"type":30,"coordinates":31},"Point",[32,33],21.01178,52.22977,{"lat":33,"lon":32},[36,40],{"name":5,"role":37,"phone":38,"phoneExt":10,"email":39},"CONTACT","48 22 599 2002","julia.mazurek@uckwum.pl",{"name":41,"role":37,"phone":10,"phoneExt":10,"email":10},"Julia Trzebicka",{"type":43,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100638301","assessment-of-lvot-vti-in-healthy-volunteers-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":55,"type":56},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.",[60,61,62],"Hemodynamic Assessment","Bedside Ultrasonography","Point of Care Ultrasound (POCUS)",[60,64,61,65,66],"Velocity-Time Integral","Point of care ultrasound","Critical care","2026-05-14",{"date":69,"type":70},"2026-05-22","ACTUAL",{"date":72,"type":56},"2026-05-11",{"date":74,"type":56},"2027-01",{"name":5,"class":6},1]