Cardiac catheter's sensor did not work properly after inserting into patient's body.Troubleshooting done by disconnecting the catheter and tried a new cable as well; therefore, we had to use new (pentaray) catheter.Ep reviewed.It was a catheter malfunction.When the catheter was connected to the cable, there was no signal displayed.Changed the cable first, but there was still no signal.The catheter was removed, and a new catheter was inserted.The new catheter worked fine and had signal displayed.The procedure completed without further issues, and no injury to the patient.
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