It was reported that a clot in the catheter was observed.The target lesion was located at the left coronary artery.A 5f fl 3.5 impulse guide catheter was selected for use.The scrub nurse prepped the catheter with heparinized saline flush and inserted it via a medtronic exchange guide wire.However, the pressure waveform was absent so the catheter was removed and was flushed again where a clot was observed to be in the catheter.Following this, another non - bsc catheter was used and patient recovered successfully.In this case a different heparin was used compared to the case with the lcb catheter.No patient complications were reported and the patient is stable.
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