The device was returned to zoll medical corporation.The customer's report was not replicated or confirmed.The device passed pacer output testing, bench handling, and a defib cycle run without duplicating the report.Review of the device logs added no value as the logs were cleared after the incident.The device was recertified and returned to the customer.It is important to note that patient reaction is not always guaranteed when delivering therapy.Even though muscle contractions are typical, the device cues and identifiers should be used to confirm hat the device is outputting correctly.Analysis of reports of this type has not identified an increase in trend.
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