The arterial bulb of the lines on the dialysis machine was found to be clear and flattened.The blood pump was stopped and the saline line was opened to fill the bulb, which was hooked back up to the machine.The bulb immediately went clear and flat.The blood pump was again stopped and saline line re-opened; saline came out of the transducer line.When the line was clamped the saline flow would stop; when saline line was unclamped, the saline would start flowing again.The machine was stripped of all lines, did not return blood; machine restrung with new line setup and restarted patient's dialysis.No problems with new lines.
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