Details of complaint: the customer reported an ecg-1350a unit was experiencing false readings.There was no further information provided.Attempts to obtain further information were made, with no response from the customer.Service requested / performed: troubleshooting.Investigation summary: the root cause of this issue cannot be determined as there was not enough information provided by the customer.Attempts were made to follow up with the customer, but there was no response.Due to the age of this complaint, no additional information can be obtained from the customer.Since the root cause was unable to be determined, no capa is required.Without a root cause, the counter measure to prevent recurrence cannot be performed.The overall risk rating is determined to be medium.The following fields are not applicable (na) to the mdr report: d4 lot # & expiration date, g4 device bla number.The following fields contain no information (ni), as attempts to obtain information were made, but not provided: additional information: b4 date of this report.D7a is this a single-use device? g2 report source.G3 date received by manufacturer.G6 type of report.H2 if follow-up, what type? h6 event problem and evaluation codes.H10 additional manufacturer narrative.
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