During an atrial flutter procedure, positioning issues with the catheter required troubleshooting measures and resulted in the procedure being aborted with no adverse consequences to the patient.The catheter was introduced via right femoral access and positioned into the right atrium.Difficulty was noted when attempting to place the catheter tip into the coronary sinus.Attempts to place other catheters into the coronary sinus were also unsuccessful.An hour into the procedure, it was noted that the catheter was entangled in the right atrium.Different maneuvers were performed and the catheter was successfully removed.The procedure was aborted with no adverse consequences to the patient.
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Additional information: d9, g1, g3, h2, h3, h6.One 7f, duo-decapolar, super large curl, livewire ep catheter was received for evaluation.The catheter shaft was found bent.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed.The cause of the device entanglement remains unknown.
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