It was reported that a clot in the catheter was observed.The target lesion was located at the left main to left anterior descending (lad) artery.A 6f 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 with different heparin and from there a clot was observed to be in the catheter.Following this, another non - bsc catheter was used and patient recovered successfully.No patient complications were reported and the patient is stable.
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