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  • 简介:Duringsurgery,aheartbeatdoesn’tjusttellwhetherapersonisdeadoralive-itcanwarnofbigproblemsthatcomeupquitesuddenly.Keepingwatchforsubtleirregularitiesintheheart’selectricactivitycanhelpsaveapatient’slife.Buttoday’stechnologycan’tgiveasmuchdetailasdoctorswant

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