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          <link:definition>999065 - Disclosure -  Intangibles (Details 1)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:usedOn>link:calculationLink</link:usedOn>
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        <link:roleType roleURI="http://ethemahealth.com/role/LeasesDetails1" id="LeasesDetails1">
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          <link:definition>999075 - Disclosure - Bank loan (Details)</link:definition>
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          <link:definition>999077 - Disclosure - Assumed liability (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999078 - Disclosure - Short-term Convertible Notes (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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        <link:roleType roleURI="http://ethemahealth.com/role/Short-termNotesDetails" id="Short-termNotesDetails">
          <link:definition>999079 - Disclosure - Short-term Notes (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999080 - Disclosure - Short-term Convertible Notes (Details Narrative)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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        <link:roleType roleURI="http://ethemahealth.com/role/PromissoryNoteDetails" id="PromissoryNoteDetails">
          <link:definition>999081 - Disclosure - Promissory Note (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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        <link:roleType roleURI="http://ethemahealth.com/role/PromissoryNoteDetailsNarrative" id="PromissoryNoteDetailsNarrative">
          <link:definition>999082 - Disclosure - Promissory Note (Details Narrative)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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          <link:definition>999083 - Disclosure - Related party payables (Details)</link:definition>
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          <link:definition>999084 - Disclosure - Stockholder's deficit (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999085 - Disclosure - Stockholders deficit (Details 1)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999086 - Disclosure - Segment information (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
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          <link:definition>999087 - Disclosure - Net (loss) income per common share (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999088 - Disclosure - Income taxes (Details)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999089 - Disclosure - Income taxes (Details 1)</link:definition>
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          <link:usedOn>link:calculationLink</link:usedOn>
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          <link:definition>999090 - Disclosure - Income taxes (Details 2)</link:definition>
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          <link:definition>999091 - Disclosure - Income taxes (Details Narrative)</link:definition>
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    <element id="GRST_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingExercisePriceEndingTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingExercisePriceEndingTerm" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_WeightedAverageRemainingLifeInYears" name="WeightedAverageRemainingLifeInYears" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableNumber" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableNumber" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExercisableWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_ClientRelatedExpenses" name="ClientRelatedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_PropertyExpenses" name="PropertyExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_NetLossBeforeIncomeTaxes" name="NetLossBeforeIncomeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_DeferredTaxLiabilityOnPurchasePriceAccounting" name="DeferredTaxLiabilityOnPurchasePriceAccounting" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_GrossDeferredIncomeTaxAssetsLiabilities" name="GrossDeferredIncomeTaxAssetsLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="GRST_DeferredTaxLiabilityOnAcquiredIntangibleAssets" name="DeferredTaxLiabilityOnAcquiredIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
