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Tendril™ SDX (REF 1688TC-58)Recalls & reported problems

St. Jude Medical, Inc. · Pacing Lead · Class 3 · Implant

Data updated Oct 13, 2026 from official FDA records · Editorial policy

Quick summary

This St. Jude Medical Tendril SDX pacing lead has 764 reports, with 11 deaths and 536 injuries. Many reports describe the lead giving wrong readings, such as noise or poor signal, and failing to pace the heart, and some mention a suspected lead fracture. Several patients needed the lead capped and replaced. No recalls name this device.

AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.

Adverse event reports
766
Deaths reported
12
Injuries reported
536
Recalls naming it
0

Summary

The FDA's MAUDE database contains 766 adverse event reports that list this exact device (DI 05414734501996), received between Jun 12, 2018 and Sep 17, 2026 — classified as 12 deaths, 536 injuries, 217 malfunctions.

The most frequently reported specific device problem is “Over-Sensing” (206 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. How this data works · Data updated Oct 13, 2026.

Reports received per month

Nov 2023: 9 reportsDec 2023: 4 reportsJan 2024: 8 reportsFeb 2024: 4 reportsMar 2024: 10 reportsApr 2024: 6 reportsMay 2024: 2 reportsJun 2024: 6 reportsJul 2024: 4 reportsAug 2024: 3 reportsSep 2024: 3 reportsOct 2024: 5 reportsNov 2024: 5 reportsDec 2024: 1 reportsJan 2025: 1 reportsFeb 2025: 8 reportsMar 2025: 4 reportsApr 2025: 5 reportsMay 2025: 3 reportsJun 2025: 3 reportsJul 2025: 2 reportsAug 2025: 4 reportsSep 2025: 6 reportsOct 2025: 3 reportsNov 2025: 2 reportsDec 2025: 2 reportsJan 2026: 3 reportsFeb 2026: 4 reportsMar 2026: 3 reportsApr 2026: 5 reportsMay 2026: 3 reportsJun 2026: 2 reportsJul 2026: 1 reportsAug 2026: 5 reportsSep 2026: 2 reportsOct 2026: 0 reports20242025202610
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Over-Sensing206
  • Signal Artifact/Noise163
  • Failure to Capture116
  • Capturing Problem107
  • High impedance95
  • Low impedance93
  • Adverse Event Without Identified Device or Use Problem79
  • High Capture Threshold64

Patient problems

  • No Clinical Signs, Symptoms or Conditions343
  • No Known Impact Or Consequence To Patient200
  • Unspecified Infection45
  • Insufficient Information32
  • Dizziness29
  • No Consequences Or Impact To Patient28
  • No Information21
  • Arrhythmia17

Recent adverse event reports

The 25 most recent of 766 reports, in the reporter's own words as published by the FDA.

  • OtherSep 17, 2026Fracture

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50809896 ↗
  • DeathSep 10, 2026Adverse Event Without Identified Device or Use Problem

    It was reported that the patient deceased. There is no known allegation from a health professional that suggests the death was related to the device. It was reported that the causes of death was congestive heart failure complicated by pneumonia in a person with chronic respiratory and renal failure, diabetes, coronary artery atherosclerosis and cardiomyopathy.

    Patient problems: Heart Failure/Congestive Heart Failure

    MAUDE report 50721546 ↗
  • MalfunctionAug 24, 2026Fracture; High impedance

    It was reported that Right Ventricular (RV) lead impedance increases suddenly over the upper limit due to suspected lead fracture. Programming changes were made and the lead will be monitored. Patient is doing fine.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50410060 ↗
  • InjuryAug 24, 2026Capturing Problem

    It was reported that the patient presented to clinic for follow up, the right ventricle (RV) lead exhibited high thresholds. The RV lead was capped and replaced on (b)(6) 2026. The patient was stable throughout.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50401867 ↗
  • InjuryAug 21, 2026Break; Failure to Capture; Low impedance

    It was reported that the patient presented for an atrioventricular (AV) node ablation procedure on (b)(6) 2026. Interrogation before the procedure revealed that the right ventricular (RV) lead exhibited a positional complete loss of capture. The RV lead was also noted to have low pacing impedance and a breached insulation. The RV lead was capped and replaced on (b)(6) 2026. The patient remained stable throughout the procedure.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50360204 ↗
  • InjuryAug 19, 2026Break; Low impedance

    It was reported that the patient presented for a follow-up in clinic. Interrogation revealed that the right ventricular (RV) lead exhibited low pacing impedance. The RV lead was capped and replaced on (b)(6) 2026. The patient remained stable before, during and after the procedure.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50334639 ↗
  • MalfunctionAug 19, 2026Under-Sensing

    It was reported that the patient presented for a follow up in clinic. It was noted that the right ventricular lead exhibited under-sensing. No intervention was performed. There were no patient consequences.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50316069 ↗
  • InjuryJul 1, 2026Signal Artifact/Noise

    IT WAS REPORTED THAT THE PATIENT PRESENTED IN THE CLINIC FOR A FOLLOW-UP. UPON INTERROGATION, THE RIGHT VENTRICULAR LEAD EXHIBITED NOISE EPISODES. THE LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25678324 ↗
  • InjuryJun 11, 2026Failure to Capture; Over-Sensing

    IT WAS REPORTED THAT THE PATIENT PRESENTED TO EMERGENCY ROOM EXPERIENCING SYNCOPE. DEVICE INTERROGATION REVEALED THAT THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED FAILURE TO CAPTURE AND OVERSENSING NOISE RESULTING LOSS OF CAPTURE. PROGRAMMING CHANGES WAS PERFORMED. THE RV LEAD WAS SUBSEQUENTLY CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION.

    Patient problems: Syncope/Fainting

    MAUDE report 25466410 ↗
  • InjuryJun 4, 2026Over-Sensing

    IT WAS REPORTED THAT THE PATIENT PRESENTED FOR A LEAD REVISION PROCEDURE. PRIOR TO THE PROCEDURE, IT WAS NOTED THAT THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED NOISE OVERSENSING CAUSING PACING INHIBITION. THE RV LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION THROUGHOUT THE PROCEDURE.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25387990 ↗
  • InjuryMay 24, 2026Over-Sensing

    IT WAS REPORTED THAT THE PATIENT PRESENTED TO THE CLINIC. UPON DEVICE INTERROGATION, THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED NOISE OVERSENSING, WHICH RESULTED IN PACING INHIBITION. THE RV LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT REMAINED STABLE THROUGHOUT THE PROCEDURE.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25267340 ↗
  • MalfunctionMay 21, 2026No Apparent Adverse Event

    THIS REPORT IS TO ADVISE OF AN EVENT OBSERVED DURING ANALYSIS.

    Patient problems: Insufficient Information

    MAUDE report 25250386 ↗
  • MalfunctionMay 6, 2026No Apparent Adverse Event

    THIS REPORT IS TO ADVISE OF AN EVENT OBSERVED DURING ANALYSIS.

    Patient problems: Insufficient Information

    MAUDE report 25106520 ↗
  • MalfunctionApr 29, 2026Low impedance

    IT WAS REPORTED THAT THE PATIENT PRESENTED REMOTELY VIA MERLIN.NET. UPON REVIEW OF THE TRANSMISSION, IT WAS NOTED THAT THE RIGHT VENTRICULAR LEAD EXHIBITED LOW PACING IMPEDANCE. NO INTERVENTION WAS PERFORMED. THE PATIENT WAS IN STABLE CONDITION AND WILL CONTINUE TO BE MONITORED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25024896 ↗
  • DeathApr 17, 2026Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT HAS DECEASED. THE CAUSE OF DEATH WAS DUE TO MULTI ORGAN FAILURE AND CARDIOGENIC SHOCK. THERE IS NO KNOWN ALLEGATION FROM A HEALTH PROFESSIONAL THAT SUGGESTS THE DEATH WAS RELATED TO THE DEVICE.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24915457 ↗
  • InjuryApr 14, 2026Insufficient Device Problem Information

    IT WAS REPORTED THAT THE PATIENT PRESENTED FOR A LEAD REVISION PROCEDURE. PRIOR TO THE PROCEDURE, IT WAS NOTED THAT THE RIGHT VENTRICULAR (RV) LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026 DUE TO UNKNOWN REASONS. THE PATIENT CONDITION WAS UNKNOWN.

    Patient problems: Insufficient Information

    MAUDE report 24880113 ↗
  • InjuryApr 5, 2026Break; Over-Sensing; Failure to Disconnect; Capturing Problem

    IT WAS REPORTED THAT THE PATIENT PRESENTED TO THE HOSPITAL FOR A LEAD REPLACEMENT PROCEDURE. IT WAS NOTED THAT THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED HIGH CAPTURE THRESHOLD AND OVERSENSING NOISE. DURING THE PROCEDURE, THE RV LEAD WAS BROKEN AND WAS ABANDONED. DURING EXTRACTION, THE RV LEAD WAS STUCK WITH THE RIGHT ATRIAL (RA) LEAD, RESULTING IN THE RA LEAD BEING REMOVED ALONG WITH THE RV LEAD. BOTH THE RA AND RV LEADS WERE EXPLANTED AND REPLACED. THE PATIENT REMAINED IN STABLE CONDITION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24787128 ↗
  • InjuryApr 2, 2026Capturing Problem

    IT WAS REPORTED THAT THE PATIENT PRESENTED IN THE HOSPITAL FOR LEAD REVISION. THE PATIENT'S RIGHT VENTRICULAR (RV) LEAD HAD AN INCREASED CAPTURE THRESHOLD. THE RV LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THERE WERE NO PROCEDURAL COMPLICATIONS, AND NO PATIENT SYMPTOMS WERE REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24762012 ↗
  • InjuryMar 19, 2026Over-Sensing

    IT WAS REPORTED THAT THE PATIENT PRESENTED FOR A LEAD REVISION PROCEDURE. PRIOR TO THE PROCEDURE, IT WAS NOTED THAT THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED NOISE OVERSENSING AND INTERMITTENTLY AFFECTED PACING FUNCTION. THE RV LEAD WAS CAPPED AND REPLACED (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION THROUGHOUT THE PROCEDURE.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24636176 ↗
  • InjuryMar 19, 2026Adverse Event Without Identified Device or Use Problem; No Apparent Adverse Event

    IT WAS REPORTED THAT THE PATIENT WAS SYMPTOMATIC WITH RIGHT VENTRICULAR (RV)-ONLY PACING. THE PACEMAKER WAS EXPLANTED AND REPLACED ON (B)(6) 2026 WHILE THE RV LEAD REMAINED IMPLANTED. THE PATIENT WAS IN STABLE CONDITION.

    Patient problems: Insufficient Information; No Clinical Signs, Symptoms or Conditions

    MAUDE report 24635950 ↗
  • MalfunctionMar 4, 2026Failure to Capture; Low impedance

    IT WAS REPORTED THAT THE PATIENT PRESENTED REMOTELY VIA MERLIN.NET. REVIEW OF THE TRANSMISSION REVEALED LOW OUT OF RANGE IMPEDANCE AND LOSS OF CAPTURE ON THE RIGHT VENTRICULAR (RV) LEAD. NO PATIENT SYMPTOMS OR INTERVENTION WAS REPORTED.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24504177 ↗
  • InjuryFeb 19, 2026Failure to Capture; High impedance; Failure to Sense

    IT WAS REPORTED THAT THE PATIENT PRESENTED REMOTELY VIA MERLIN.NET. UPON REVIEW, THE RIGHT VENTRICLE EXHIBITED HIGH PACING IMPEDANCE. DURING A FOLLOW-UP IN THE CLINIC, ADDITIONALLY THE LEAD EXHIBITED FAILURE TO CAPTURE AND FAILURE TO SENSE. THE LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24389496 ↗
  • MalfunctionFeb 17, 2026Signal Artifact/Noise; Failure to Capture

    IT WAS REPORTED THAT ATRIAL OVERSENSING WAS NOTED ON THE DEVICE. ADDITIONALLY, NOISE AND FAR R OVERSENSING ON THE RIGHT ATRIAL (RA) LEAD AND LOSS OF CAPTURE AND NOISE WERE SEEN ON THE RIGHT VENTRICULAR (RV) LEAD. NO INTERVENTION WAS MADE AT THIS TIME. THERE WERE NO ADVERSE HEALTH CONSEQUENCES TO THE PATIENT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24364474 ↗
  • InjuryFeb 10, 2026Capturing Problem

    IT WAS REPORTED THAT THE PATIENT PRESENTED TO THE CLINIC FOR A FOLLOW UP. IT WAS NOTED THAT THE RIGHT VENTRICULAR (RV) LEAD EXHIBITED HIGH CAPTURE THRESHOLD. THE RV LEAD WAS CAPPED AND REPLACED ON (B)(6) 2026. THE PATIENT WAS IN STABLE CONDITION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24301699 ↗
  • InjuryFeb 5, 2026Over-Sensing

    IT WAS REPORTED THAT THE PATIENT PRESENTED FOR DEVICE ANALYSIS. IT WAS NOTED THAT THE RIGHT VENTRICULAR LEAD EXHIBITED NOISE OVER-SENSING; HOWEVER, THE NOISE WAS NOT REPRODUCED DURING INTERROGATION. THE LEAD WAS CAPPED AND REPLACED WITH A LEFT BUNDLE BRANCH AREA PACING (LBBAP) LEAD ON (B)(6) 2026. THE PATIENT WAS DISCHARGED POST-PROCEDURE.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 24265629 ↗

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