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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David J Slotwiner MD FHRS</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mina K Chung MD FHRS</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David J Callans MD FHRS</PersonNm>
        <TitleTxt>CCDS- Member</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David E Haines MD FHRS</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Suneet Mittal BA MD FHRS</PersonNm>
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        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Jill Boone Schaeffer MSN CRNP</PersonNm>
        <TitleTxt>FHRS- Member</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Win-Kuang Shen MD FHRS</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Erica S Zado PAC FHRS</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John K Triedman MD FHRS CEPS-P</PersonNm>
        <TitleTxt>Member</TitleTxt>
        <AverageHoursPerWeekRt>2.50</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Patricia Blake</PersonNm>
        <TitleTxt>Chief Executive Officer</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>163193</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Eric Booth</PersonNm>
        <TitleTxt>Chief Financial Officer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>50006</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Christina Wurster</PersonNm>
        <TitleTxt>Chief Strategy Officer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromOrgAmt>282663</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>62134</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kenneth Demith</PersonNm>
        <TitleTxt>Chief Experience Officer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Timothy Gregory</PersonNm>
        <TitleTxt>Chief Learning Officer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
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        <OtherCompensationAmt>60939</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Laura Meisnere</PersonNm>
        <TitleTxt>Vice President, Health Policy</TitleTxt>
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        <ReportableCompFromOrgAmt>265675</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>43744</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Anne Marie Smith</PersonNm>
        <TitleTxt>VP, Quality Improvement Education</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <OtherCompensationAmt>42895</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David Raimist</PersonNm>
        <TitleTxt>Sr Dir, Digital Tech &amp; Data Analytics</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Russell Werlinich</PersonNm>
        <TitleTxt>Sr Dir, Education Programs</TitleTxt>
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        <OtherCompensationAmt>18221</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Germaine Schaefer</PersonNm>
        <TitleTxt>Senior Director, Meetings</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>James Youngblood</PersonNm>
        <TitleTxt>Former CEO through May 2019</TitleTxt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
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          <BusinessName>
            <BusinessNameLine1Txt>Elsevier</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>3251 Riverport Lane</AddressLine1Txt>
            <CityNm>Maryland Heights</CityNm>
            <StateAbbreviationCd>MO</StateAbbreviationCd>
            <ZIPCd>63042</ZIPCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>A Fassano &amp; Co</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>990 Route 168 Suite A-2</AddressLine1Txt>
            <CityNm>Turnersville</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>08012</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Management Services</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Freeman</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 650519</AddressLine1Txt>
            <CityNm>Dallas</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75265</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Audio/Visual Equipment Services</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Coe Truman International</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>500 N Michigan Avenue Suite 800</AddressLine1Txt>
            <CityNm>Chicago</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60611</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Management Services</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>O'Connor Consulting Services</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>6507 Marjory Lane</AddressLine1Txt>
            <CityNm>Bethesda</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20817</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Outsourced Accounting Services</ServicesDesc>
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      <GovernmentGrantsAmt>781429</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>2017157</AllOtherContributionsAmt>
      <TotalContributionsAmt>2798586</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Registration fees</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3057183</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3057183</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>2636329</ExclusionAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2396406</TotalRevenueColumnAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2133956</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2133956</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>131018</RelatedOrExemptFuncIncomeAmt>
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        <SecuritiesAmt>2123836</SecuritiesAmt>
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      <GainOrLossGrp>
        <SecuritiesAmt>292214</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>292214</TotalRevenueColumnAmt>
        <ExclusionAmt>292214</ExclusionAmt>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>297532</TotalRevenueColumnAmt>
        <ExclusionAmt>297532</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>IBHRE LMS fee</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>10994</TotalRevenueColumnAmt>
        <ExclusionAmt>10994</ExclusionAmt>
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      <OtherRevenueTotalAmt>308526</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
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        <ExclusionAmt>4531176</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
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        <ProgramServicesAmt>200115</ProgramServicesAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>22500</ProgramServicesAmt>
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        <ProgramServicesAmt>9500</ProgramServicesAmt>
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        <TotalAmt>1752059</TotalAmt>
        <ProgramServicesAmt>670200</ProgramServicesAmt>
        <ManagementAndGeneralAmt>834221</ManagementAndGeneralAmt>
        <FundraisingAmt>247638</FundraisingAmt>
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        <TotalAmt>4308380</TotalAmt>
        <ProgramServicesAmt>3248234</ProgramServicesAmt>
        <ManagementAndGeneralAmt>496922</ManagementAndGeneralAmt>
        <FundraisingAmt>563224</FundraisingAmt>
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        <ProgramServicesAmt>316060</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13727</ManagementAndGeneralAmt>
        <FundraisingAmt>38203</FundraisingAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>424472</TotalAmt>
        <ProgramServicesAmt>314240</ProgramServicesAmt>
        <ManagementAndGeneralAmt>51450</ManagementAndGeneralAmt>
        <FundraisingAmt>58782</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>391492</TotalAmt>
        <ProgramServicesAmt>259706</ProgramServicesAmt>
        <ManagementAndGeneralAmt>79862</ManagementAndGeneralAmt>
        <FundraisingAmt>51924</FundraisingAmt>
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      <FeesForServicesManagementGrp>
        <TotalAmt>1021601</TotalAmt>
        <ProgramServicesAmt>979014</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10245</ManagementAndGeneralAmt>
        <FundraisingAmt>32342</FundraisingAmt>
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      <FeesForServicesLegalGrp>
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        <ProgramServicesAmt>26705</ProgramServicesAmt>
        <ManagementAndGeneralAmt>20764</ManagementAndGeneralAmt>
        <FundraisingAmt>11342</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>211482</TotalAmt>
        <ManagementAndGeneralAmt>211482</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>25169</TotalAmt>
        <ManagementAndGeneralAmt>25169</ManagementAndGeneralAmt>
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        <TotalAmt>1538570</TotalAmt>
        <ProgramServicesAmt>1166517</ProgramServicesAmt>
        <ManagementAndGeneralAmt>124887</ManagementAndGeneralAmt>
        <FundraisingAmt>247166</FundraisingAmt>
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      <AdvertisingGrp>
        <TotalAmt>188014</TotalAmt>
        <ProgramServicesAmt>179235</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5178</ManagementAndGeneralAmt>
        <FundraisingAmt>3601</FundraisingAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>510426</TotalAmt>
        <ProgramServicesAmt>417254</ProgramServicesAmt>
        <ManagementAndGeneralAmt>41998</ManagementAndGeneralAmt>
        <FundraisingAmt>51174</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>1112043</TotalAmt>
        <ProgramServicesAmt>940432</ProgramServicesAmt>
        <ManagementAndGeneralAmt>102132</ManagementAndGeneralAmt>
        <FundraisingAmt>69479</FundraisingAmt>
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      <OccupancyGrp>
        <TotalAmt>578864</TotalAmt>
        <ProgramServicesAmt>389237</ProgramServicesAmt>
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        <ExplanationTxt>Each year during the Heart Rhythm Society's Annual Meeting, awards are presented to awardees based on specific criteria for each award category as detailed in the following descriptions. Due to COVID-19 restrictions, travel for staff and awardees were significantly curtailed. Journal Awards The awardees submit papers to be published in the Heart Rhythm Journal. The awards are selected by the Heart Rhythm Journal Editors for published papers. Award funds are issued to awardees before the meeting and the winner of The Zipes award is given travel reimbursement after the meeting. Lectureship Awards The lectureship awards are selected by the Program Committee Chair, Abstract Chair, President, 1st Vice President, and CEO. The lectureship recipient receives an honorarium and the travel and accommodation costs for the Annual Meeting is covered. Investigator Awards The Young Investigator Awards (YIA) competition recognizes and encourages the work of young investigators and their parent institutions. All submissions to the YIA Competition are reviewed by the YIA Sub-Committee (part of the Annual Meeting Committee and comprised of senior researchers, clinicians and scientists), who select six finalists to present their work during the Annual Meeting. All six YIA finalists receive complimentary registration to the Annual Meeting and reimbursement for travel expenses and there are two first prize monetary awards. Abstract Awards To be considered for an Abstract award, an individual must indicate interest in applying for the abstract award(s) during the regular abstract submission period - mid-December to mid-March. Abstracts must conform to the award rules and criteria and submitted by the deadline for abstract's First Author to be considered. The Heart Rhythm Society reserves the right to determine the number of awards made and to cancel the competition in a given year if submitted abstracts are deemed to not be of adequate quality or interest. Each recipient is awarded a plaque, monetary award, and complimentary registration to the Annual Meeting. Grading of Recommendations Assessment, Development and Evaluation (GRADE) comprehensive track workshop travel grant The Heart Rhythm Society (HRS) leadership and the Scientific and Clinical Documents Committee (SCDC) leadership have identified a need to provide resources to writing groups engaged in development of clinical practice documents, in order to increase the reliability and validity of document structure, recommendations, and implementation. One aspect of this enhancement program is to assign each writing group a member with skill in methodology of document creation. We aim to increase the number of available HRS methodology writing group members by specific training workshops. These workshops will serve as the foundation for improved development of clinical documents, systematic reviews, and clinical practice guidelines. The HRS will provide one travel grant up to $2500 to attend the Grading of Recommendations Assessment, Development and Evaluation (GRADE) comprehensive track workshop, which provides training and learning the principles of evidence-based medicine and guideline development for clinical or public health recommendations. There are 16+ hours of intensive hands-on training in small group settings with six facilitators and a maximum attendance of 44 participants. More details for the workshop can be found at https://www.gradeworkinggroup.org. The expectations for the recipient would include willingness to contribute in the following ways: 1. Provide a summary presentation of the learnings at a future SCDC meeting 2. Participate on a clinical document project as a writing committee member with an eye toward the methodological aspects of clinical document development 3. Participate in discussions within the SCDC to improve the HRS methodology for developing clinical documents, and ultimately guidelines.</ExplanationTxt>
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        <PersonNm>Timothy Gregory</PersonNm>
        <TitleTxt>Chief Learning Officer</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Eric Booth</PersonNm>
        <TitleTxt>Chief Financial Officer</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>David Raimist</PersonNm>
        <TitleTxt>Sr Dir, Digital Tech &amp; Data Analytic</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Anne Marie Smith</PersonNm>
        <TitleTxt>VP, Quality Improvement Education</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Germaine Schaefer</PersonNm>
        <TitleTxt>Senior Director, Meetings</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>14003</BonusFilingOrganizationAmount>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Russell Werlinich</PersonNm>
        <TitleTxt>Sr Dir, Education Programs</TitleTxt>
        <BaseCompensationFilingOrgAmt>161278</BaseCompensationFilingOrgAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Lines 4a-b</FormAndLineReferenceDesc>
        <ExplanationTxt>Line 4a. Russell Werlinich, Senior Director, Education Programs and Services through November 2020, received 11 weeks of severance pay in the amount of $ 33,059.02 during calendar year 2020 Also, Laura Meisnere, Vice President, Health Policy through November 2020, received 13 weeks of severance pay in the amount of $50,097.52 during calendar year 2020 Line 4b: During calendar year 2020, the Society contributed $71,842.48 to Pat Blake's nonqualified section 457(f) plan.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Column (F)</FormAndLineReferenceDesc>
        <ExplanationTxt>James Youngblood received a lump sum distribution of $ 300,605.54 from his non- qualified 457(b) plan. He received this payout directly and it is included in his 2020 W2. This amount has also been reported in Schedule J, Part II, Column B (iii).</ExplanationTxt>
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    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society has members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society has a call for nominations. Nomination subcommittee meets to review the nominations and develops a slate of nominees for the Board of Trustees. The Board of Trustees reviews and approves the slate and then puts the slate forth to voting membership for approval.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Articles of Organization may be amended only by the affirmative vote of at least two-thirds (2/3) of the Members and Fellows entitled to vote.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's Board-approved financial policies state that the Audit Committee shall review and approve the annual Form 990 tax returns. The Audit Committee, who has delegated authority from the Board of Directors, reviews the draft Form 990 tax return in detail with the assistance from the Society's financial staff and audit firm and approves the form prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Every committee chair reviews all of their committee's disclosures forms. Before the start of every committee meeting, a statement regarding disclosures and conflict of interest is read by the chair. The Society's Ethics Oversight Committee ensures compliance with the Society's Code of Ethics and Professional Standards.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's Compensation Subcommittee assesses the Chief Executive Officer's performance and recommends a compensation plan to the Executive Committee and Board of Trustees for approval. The Society retains an independent compensation consultant to perform a compensation analysis for use by the Compensation Subcommittee. Meeting minutes and compensation analyses are retained by the Society. Compensation of key (and non-key) Society employees are reviewed as part of the overall budget approval process by the Finance Committee and Board of Trustees. The salary of each staff position is reviewed and determined using internally obtained survey data.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's governing documents and conflict of interest policy are publicly available on the Society's website. Audited financial statements are available upon request to individuals and organizations based on business need.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Society's Audit Committee assumes responsibility for oversight of the audit of its financial statements. The Society's Audit Committee also assumes responsibility for the selection of an independent accountant. The process is consistent with previous years.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>Heart Rhythm Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
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        </USAddress>
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        <PrimaryActivitiesTxt>See Schedule R, Part VII</PrimaryActivitiesTxt>
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        <PublicCharityStatusTxt>Line 7</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>Heart Rhythm Society</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1Txt>International Board of Heart Rhythm Examiners Inc</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>1325 G Street NW Suite 400</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>200053121</ZIPCd>
        </USAddress>
        <EIN>042917754</EIN>
        <PrimaryActivitiesTxt>See Schedule R, Part VII</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>HRS Consulting Services Inc</BusinessNameLine1Txt>
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          <AddressLine1Txt>1325 G Street NW Suite 400</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>200053121</ZIPCd>
        </USAddress>
        <EIN>454366704</EIN>
        <PrimaryActivitiesTxt>See Schedule R, Part VII</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>Heart Rhythm Society</BusinessNameLine1Txt>
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        <EntityTypeTxt>C</EntityTypeTxt>
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      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
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      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>IBHRE</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>N</TransactionTypeTxt>
        <InvolvedAmt>92465</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Allocated costs</MethodOfAmountDeterminationTxt>
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      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>IBHRE</BusinessNameLine1Txt>
        </OtherOrganizationName>
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      <TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>IBHRE</BusinessNameLine1Txt>
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        <TransactionTypeTxt>Q</TransactionTypeTxt>
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        <MethodOfAmountDeterminationTxt>Cash reimbursements</MethodOfAmountDeterminationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule R, Part II, Column B</FormAndLineReferenceDesc>
        <ExplanationTxt>Heart Rhythm Foundation Primary Activity: Dormant foundation whose mission is to enhance the prevention and treatment of heart rhythm disorders by supporting the research, education and advocacy efforts of the Heart Rhythm Society. International Board of Heart Rhythm Examiners, Inc. Primary Activity: To design and administer examinations to measure skills in cardiac pacing and electrophysiology.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule R, Part IV, Column B</FormAndLineReferenceDesc>
        <ExplanationTxt>HRS Consulting Services, Inc. Primary Activity: Dormant corporation whose purpose is to provide EP-specific consulting services to physician practices and hospitals.</ExplanationTxt>
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</Return>
