It was reported that a drug occlusion occurred.A 135x50cm ekosonic endovascular device was selected for use in thrombolytic therapy of a peripheral arterial occlusion.After 8 hours and 21 minutes of therapy run time, the pump was alarming with a downstream occlusion (dso) to the tpa line.The registered nurse (rn) called the helpline and reported that the patient's iv line had been intermittently giving a dso to the tpa line over the last few hours.The frequency had been increasing, and at the time of the call, it had stopped running.Troubleshooting was attempted but was unsuccessful.The rn tried to obtain orders to flush the catheter forward.However, after 1.5 hours, they were instructed to stop tpa and discontinue ultrasound and use of the catheter.No patient complications were reported.At the time of the call, the patient was restless but tolerating therapy well.
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