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  <xsd:element id="abt_LongTermNotesDueIn2016At5.875PercentMember" name="LongTermNotesDueIn2016At5.875PercentMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="abt_LongTermNotesDueIn2020At4.125PercentMember" name="LongTermNotesDueIn2020At4.125PercentMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="abt_LongTermNotesDueIn2039At6.0PercentMember" name="LongTermNotesDueIn2039At6.0PercentMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_LongTermNotesDueIn2040At5.3PercentMember" name="LongTermNotesDueIn2040At5.3PercentMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_CommercialPaperFacilityAmountExpiringInOctober2012" name="CommercialPaperFacilityAmountExpiringInOctober2012" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_CommercialPaperFacilityAmountExpiringIn2013" name="CommercialPaperFacilityAmountExpiringIn2013" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_ScheduleOfNetBenefitCostsTableTextBlock" name="ScheduleOfNetBenefitCostsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfAssumptionsUsedTableTextBlock" name="ScheduleOfAssumptionsUsedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfHealthCareCostTrendRatesTableTextBlock" name="ScheduleOfHealthCareCostTrendRatesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfAllocationOfPlanAssetsTableTextBlock" name="ScheduleOfAllocationOfPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfExpectedBenefitPaymentsTableTextBlock" name="ScheduleOfExpectedBenefitPaymentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPlanNonUSPlanProjectedBenefitObligation" name="DefinedBenefitPlanNonUSPlanProjectedBenefitObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_NonUSGovernmentDebtSecuritiesMember" name="NonUSGovernmentDebtSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPlanOtherAssetsMember" name="DefinedBenefitPlanOtherAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_MixOfLowCostIndexFundsNotActivelyManagedThatTrackSAndP500Percentage" name="MixOfLowCostIndexFundsNotActivelyManagedThatTrackSAndP500Percentage" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_MixOfIndexFundsThatTrackSAndP500Percentage" name="MixOfIndexFundsThatTrackSAndP500Percentage" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_MixOfIndexFunds" name="MixOfIndexFunds" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_SeparateActivelyManagedSecuritiesThatTrackAndAreBenchmarkedToSAndP400MidcapIndex" name="SeparateActivelyManagedSecuritiesThatTrackAndAreBenchmarkedToSAndP400MidcapIndex" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_MixOfFundsNotActivelyManagedThatTrackSAndP500Percentage" name="MixOfFundsNotActivelyManagedThatTrackSAndP500Percentage" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_SeparateActivelyManagedSecuritiesThatAreBenchmarkedToRussell1000Percentage" name="SeparateActivelyManagedSecuritiesThatAreBenchmarkedToRussell1000Percentage" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_SeparateActivelyManagedSecuritiesThatTrackRussell1000Percentage" name="SeparateActivelyManagedSecuritiesThatTrackRussell1000Percentage" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_MixOfIndexFundsNotActivelyManaged" name="MixOfIndexFundsNotActivelyManaged" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_MixOfLowCostIndexFundsNotActivelyManaged" name="MixOfLowCostIndexFundsNotActivelyManaged" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_DefinedBenefitPlanTargetAllocationPercentageOfAssets" name="DefinedBenefitPlanTargetAllocationPercentageOfAssets" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SeparateActivelyManagedSecuritiesThatTrackSAndP400MidcapIndex" name="SeparateActivelyManagedSecuritiesThatTrackSAndP400MidcapIndex" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_LowCostIndexFundsNotActivelyManaged" name="LowCostIndexFundsNotActivelyManaged" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_USLargeCapitalEquitySecuritiesMember" name="USLargeCapitalEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_USMidCapitalEquitySecuritiesMember" name="USMidCapitalEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ForeignEquitySecuritiesMember" name="ForeignEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_TAPPharmaceuticalIncMember" name="TAPPharmaceuticalIncMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_LupronBusinessMember" name="LupronBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SpineBusinessMember" name="SpineBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" name="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_BusinessAcquisitionPurchasePriceAllocationContingentLiabilities" name="BusinessAcquisitionPurchasePriceAllocationContingentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_BusinessAcquisitionPurchasePriceAllocationDeferredTaxAssets" name="BusinessAcquisitionPurchasePriceAllocationDeferredTaxAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_BusinessAcquisitionLiabilitiesAssumedWrittenOff" name="BusinessAcquisitionLiabilitiesAssumedWrittenOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="abt_CurrentFederalStateAndPossessionsTaxExpenseBenefit" name="CurrentFederalStateAndPossessionsTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="abt_DeferredDomesticIncomeTaxExpenseBenefit" name="DeferredDomesticIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="abt_DeferredTaxAssetsIntercompanyProfit" name="DeferredTaxAssetsIntercompanyProfit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimateLowEndOfRange" name="SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimateLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimateHighEndOfRange" name="SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimateHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" name="ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SegmentReportingInformationExpendituresForAdditionsToGoodwill" name="SegmentReportingInformationExpendituresForAdditionsToGoodwill" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="abt_SegmentReportingInformationExpendituresForAdditionsToIntangibleAssets" name="SegmentReportingInformationExpendituresForAdditionsToIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_SegmentReportingInformationAssetsAbstract" name="SegmentReportingInformationAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SegmentReportingReconcilingItemsAssetsNonReportableSegments" name="SegmentReportingReconcilingItemsAssetsNonReportableSegments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_OtherCountriesMember" name="OtherCountriesMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SummaryOfSignificantAccountingPoliciesTextBlock" name="SummaryOfSignificantAccountingPoliciesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_SubsequentEventDisclosureAbstract" name="SubsequentEventDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_FairValueMeasurementsPolicyTextBlock" name="FairValueMeasurementsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_CashCashEquivalentsAndInvestmentsPolicyTextBlock" name="CashCashEquivalentsAndInvestmentsPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_PensionAndOtherPostemploymentmentPlansPolicyTextBlock" name="PensionAndOtherPostemploymentmentPlansPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ResearchAndDevelopmentExpensePolicyTextBlock" name="ResearchAndDevelopmentExpensePolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_AmortizationPeriodOfDifferencesBetweenTheExpectedLongTermReturnOnPlanAssetsAndTheActualReturn" name="AmortizationPeriodOfDifferencesBetweenTheExpectedLongTermReturnOnPlanAssetsAndTheActualReturn" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPlanChangeInBenefitObligationServiceCost" name="DefinedBenefitPlanChangeInBenefitObligationServiceCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPlanChangeInBenefitObligationInterestCost" name="DefinedBenefitPlanChangeInBenefitObligationInterestCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPlanChangeInFairValueOfPlanAssetsBenefitsPaid" name="DefinedBenefitPlanChangeInFairValueOfPlanAssetsBenefitsPaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="abt_AccruedRebatesPayableToGovernmentAgencies" name="AccruedRebatesPayableToGovernmentAgencies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_AccruedOtherRebates" name="AccruedOtherRebates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_AccruedWholesalerChargebackRebates" name="AccruedWholesalerChargebackRebates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_OtherSundryLiabilitiesNoncurrent" name="OtherSundryLiabilitiesNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="abt_PostemploymentObligationsAndOtherLongTermLiabilitiesAbstract" name="PostemploymentObligationsAndOtherLongTermLiabilitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_DefinedBenefitPensionPlansAndPostemploymentMedicalAndDentalPlansObligations" name="DefinedBenefitPensionPlansAndPostemploymentMedicalAndDentalPlansObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodLowEndOfRange" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodFiveYearsNumberOfYearsThresholdForVesting" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodFiveYearsNumberOfYearsThresholdForVesting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentageMaximumInOneYear" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPercentageMaximumInOneYear" nillable="true" substitutionGroup="xbrli:item" type="us-types:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionCommonStockReceived" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionCommonStockReceived" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodHighEndOfRange" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantReducedSubsequentEvent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantReducedSubsequentEvent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2010" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2010" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element id="abt_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue2010" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue2010" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlanYearDomain" name="ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlanYearDomain" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_IncentiveStockProgramYear2009Member" name="IncentiveStockProgramYear2009Member" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlansAxis" name="ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPlansAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfChangesInProjectedBenefitObligationsAndChangesInFairValueOfPlanAssetsTableTextBlock" name="ScheduleOfChangesInProjectedBenefitObligationsAndChangesInFairValueOfPlanAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_DeferredTaxAssetsInProcessResearchAndDevelopmentAndOtherAccrualsAndReserves" name="DeferredTaxAssetsInProcessResearchAndDevelopmentAndOtherAccrualsAndReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" name="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_AdditionalFinancialInformationDisclosureTextBlock" name="AdditionalFinancialInformationDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOFPropertyPlantAndEquipmentUsefulLivesTableTextBlock" name="ScheduleOFPropertyPlantAndEquipmentUsefulLivesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_TotalSegmentReportingOperatingIncomeLoss" name="TotalSegmentReportingOperatingIncomeLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="abt_TotalSegmentReportingAssets" name="TotalSegmentReportingAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="abt_SegmentGeographicalAxis" name="SegmentGeographicalAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_BusinessExchangeAndDiscontinuedOperationsDisclosureTextBlock" name="BusinessExchangeAndDiscontinuedOperationsDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfQuarterlyFinancialInformationTableTextBlock" name="ScheduleOfQuarterlyFinancialInformationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_ScheduleOfBusinessAcquisitionsAndDisposalsTable" name="ScheduleOfBusinessAcquisitionsAndDisposalsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_BusinessAcquisitionsAndDisposalsAxis" name="BusinessAcquisitionsAndDisposalsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_BusinessAcquireeAndDisposalGroupDomain" name="BusinessAcquireeAndDisposalGroupDomain" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_ScheduleOfBusinessAcquisitionsAndDisposalsLineItems" name="ScheduleOfBusinessAcquisitionsAndDisposalsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_TotalSegmentReportingReconcilingItemsAllOtherAssets" name="TotalSegmentReportingReconcilingItemsAllOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_ShareBasedCompensationOptionAndIncentivePlansPolicyTextBlock" name="ShareBasedCompensationOptionAndIncentivePlansPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_CommitmentsAndContingenciesPolicy" name="CommitmentsAndContingenciesPolicy" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_GuaranteesIndemnificationsAndWarrantiesPoliciesTextBlock" name="GuaranteesIndemnificationsAndWarrantiesPoliciesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_BusinessAcquisitionIntegrationRestructuringAndOtherRelatedCosts" name="BusinessAcquisitionIntegrationRestructuringAndOtherRelatedCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="abt_RestructuringPlanMember" name="RestructuringPlanMember" nillable="true" substitutionGroup="xbrli:item" type="us-types:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_EstimatedFutureRestructuringCharges" name="EstimatedFutureRestructuringCharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_EstimatedFutureRestructuringChargesYearOne" name="EstimatedFutureRestructuringChargesYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="abt_TradeAndOtherAccountReceivablesPolicy" name="TradeAndOtherAccountReceivablesPolicy" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="abt_ValuationAndQualifyingAccountsAbstract" name="ValuationAndQualifyingAccountsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="abt_ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock" name="ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="us-types:textBlockItemType" xbrli:periodType="duration" />
</xsd:schema>
