There was a drift in average correction factors on the pulmonary function testing (pft) machine; resulting in the possibilities of unreliable results.It was discovered that there was a leak in a tube. =
manufacturer response for pft machine and bodybox, carefusion vmax pft machine (per site reporter)
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carefusion tech serviceman came and discovered the leak in a tube and corrected the problem and serviced it.Also evaluated the pft machine for any further issues.There were none.Service tech suggested ways to recheck for leaks.
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