During the week of (b)(4), 2022 a site visit was completed by edwards product quality clinician, product safety physician and sales rep.It was discussed that there has been a large amount of turnover in the nursing personnel in the past two years.Nursing in service on the correct use of model pxvpl20001 was held during the week.Upon rounding, edwards personnel noticed majority of the arterial lines had the stopcocks in the flushing position during monitoring and a number of left sided arterial lines had extension tubing of 12 inches or more.Hospital physician has also seen stopcocks in the incorrect position.The facility was informed that the stopcock handle in the incorrect position during monitoring and the addition of extension tubing of 12 inches or more can affect the dynamic response resulting in overdamped or underdamped waveforms and inaccurate systolic and diastolic values.Edwards dpt pressure lines are tested for dynamic response up to 96 inches and this model is 85 inches.
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