It was reported that the vsat (venous oxygen saturation) was low and unable to recalibrate while o a pt.When a calibration was completed the hct levels were high and compared to the normal readings the user was expecting.As a precaution the venous probe and cable were replaced.According to the perfusionist at the account, they (the low saturation values) were verified with lab results.A service technician tested the probe to factory specifications.The venous probe reported was in use with cardiohelp-i console model number 70104.8012, serial number (b)(4).Both the probe and console are components of the cardiohelp system cleared under 510(k) #k102726.(b)(4).
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