MAUDE Adverse Event Report: ST. JUDE MEDICAL, INC.(CRM-SYLMAR) ASSERT-IQ¿ ICM; RECORDER, EVENT, IMPLANTABLE CARDIAC, (WITHOUT ARRHYTHMIA DETECTION)

Model Number DM5500

Device Problem Over-Sensing (1438)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 08/18/2023

Event Type  malfunction  

Manufacturer Narrative

Further information was requested but not received.

Event Description

It was reported that the patient's insertable cardiac monitor (icm) exhibited unspecified oversensing resulting in inappropriate atrial fibrillation episodes being detected.The patient was in stable condition.

Manufacturer Narrative

The reported event of false af episodes was confirmed.Based on the information provided, false episodes were triggered due to incorrect r wave sensing, this is due to limitation of noise artifacts and current algorithm in identifying consistent p waves in the electrocardiogram (egm) signal.No device malfunction was found.

• Brand Name: ASSERT-IQ¿ ICM
• Type of Device: RECORDER, EVENT, IMPLANTABLE CARDIAC, (WITHOUT ARRHYTHMIA DETECTION)
• Manufacturer (Section D): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer (Section G): ST. JUDE MEDICAL, INC.(CRM-SYLMAR); 15900 valley view court; sylmar CA 91342
• Manufacturer Contact: richard williamson ; 15900 valley view court; sylmar, CA 91342
• MDR Report Key: 17686928
• MDR Text Key: 322744692
• Report Number: 2017865-2023-40530
• Device Sequence Number: 1
• Product Code: MXC
• UDI-Device Identifier: 05415067047809
• UDI-Public: 05415067047809
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K230286
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional,User Facility,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date: 10/04/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Expiration Date: 02/29/2024
• Device Model Number: DM5500
• Device Lot Number: S000090948
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Initial Date Manufacturer Received: Not provided
• Initial Date FDA Received: 09/05/2023
• Supplement Dates Manufacturer Received: 09/27/2023
• Supplement Dates FDA Received: 10/04/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 06/23/2023
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Age: 81 YR
• Patient Sex: Female