HKElectrocardiogram.VoltageMeasurement The voltage for all leads at a single point in time. Declarationclass VoltageMeasurement TopicsAccessing Dataquantity(for:)timeSinceSampleStart RelationshipsInherits FromNSObjectConforms ToCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSCopyingNSObjectProtocolSendableSendableMetatype See AlsoElectrocardiogramsHKElectrocardiogram