Reported Reactions

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Device brand name · Leadless pacemaker

Aveir Leadless Pacemaker, Right Atrium: medical device reports filed with FDA

1,352 reports name it, 2023–2026. Manufacturer given most often on reports: St Jude Medical Crm-Sylmar. Product code PNJ.

1,352
device reports naming the brand
0% of all MAUDE reports · about 451 a year
523
reports, 12 months to August 2026
606 in the 12 months before
68.8%
classified as malfunction
54.6% across the product code
1.4%
classified as death, as reported
19 reports · not verified by FDA

1,352 medical device reports received by FDA name the brand "Aveir Leadless Pacemaker, Right Atrium" (leadless pacemaker); the manufacturer given most often on reports is St Jude Medical Crm-Sylmar; received from July 2023 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

523 reports arrived in the 12 months to August 2026, down 14% from 606 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (68.8%), injury (29.8%) and death (1.4%); across all leadless pacemaker reports (product code PNJ) death is recorded in 6.3% and malfunction in 54.6%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are device dislodged or dislocated (22.3%), failure to capture (15.1%) and stretched (13.8%). The patient problems coded most often are embolism/embolus, arrhythmia and pericardial effusion. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

04590Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 3Aug 2023: 8Sep 2023: 9Oct 2023: 5Nov 2023: 14Dec 2023: 142024Jan 2024: 11Feb 2024: 9Mar 2024: 23Apr 2024: 18May 2024: 26Jun 2024: 24Jul 2024: 25Aug 2024: 34Sep 2024: 31Oct 2024: 35Nov 2024: 36Dec 2024: 482025Jan 2025: 38Feb 2025: 29Mar 2025: 53Apr 2025: 51May 2025: 57Jun 2025: 59Jul 2025: 79Aug 2025: 90Sep 2025: 69Oct 2025: 70Nov 2025: 61Dec 2025: 642026Jan 2026: 49Feb 2026: 41Mar 2026: 46Apr 2026: 24May 2026: 26Jun 2026: 29Jul 2026: 28Aug 2026: 16

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

03607202023: 5320232024: 32020242025: 72020252026: 2592026

Event type and report source

Event type, as classified on the report

Death1.4%19
Injury29.8%403
Malfunction68.8%930
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%1,352
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 20,451 reports carrying product code PNJ. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Device dislodged or dislocated30222.3%11.8%
Failure to capture20415.1%12.9%
Stretched18613.8%5.4%
Separation failure15411.4%2.3%
Capturing problem1299.5%12.2%
Over-sensing957%1.6%
Connection problema connection problem816%1.7%
Failure to interrogate735.4%2.9%
Intermittent communication failure705.2%0.7%
Positioning failure695.1%1.5%
Low impedance675%2.4%
Incorrect measurementthe device measured wrongly664.9%0.9%
Pacing problem644.7%9.1%
Inappropriate or unexpected reset574.2%1.5%
Device sensing problem564.1%3.1%
Premature separation523.8%2.8%
Failure to sense513.8%0.6%
Under-sensing443.3%4.5%
Interrogation problem433.2%0.8%
Premature discharge of battery413%4%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Embolism/embolus25118.6%
Arrhythmia1218.9%
Pericardial effusionfluid around the heart1158.5%
Cardiac perforation926.8%
Discomfortdiscomfort675%
Low blood pressure/ hypotension664.9%
Cardiac tamponade483.6%
Thrombosis/thrombus352.6%
Dyspneashortness of breath231.7%
Fatiguetiredness181.3%
Dizzinesslight-headedness or unsteadiness161.2%
Appropriate clinical signs, symptoms and conditions term/code not available100.7%
Syncope/fainting90.7%
Heart failure/congestive heart failure70.5%
Stroke/cva40.3%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureAveir Leadless Pacemaker, Right AtriumProduct code PNJAll MAUDE reports
Reports1,35220,45126,136,888
Share of that pool—6.6%0%
Classified as death, per 1,000 reports14639
Classified as injury29.8%39.1%36.2%
Classified as malfunction68.8%54.6%62.3%
Filed by the manufacturer100%99.4%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code PNJ

BrandReportsLatest 12 monthsClassified as death
Micra7,1445248.4%
Micra AV4,2232777.9%
Aveir Leadless Pacemaker, Right Ventricle3,2941,3723.9%
Micra AV23,0701,5025.7%
Micra VR29014255.2%
Aveir Delivery Catheter86743311.8%
AVEIR AR 2 Leadless Pacemaker5195191.3%
Pacemaker221155.9%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about Aveir Leadless Pacemaker, Right Atrium reports

How many FDA reports name Aveir Leadless Pacemaker, Right Atrium?

1,352 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 523 in the latest 12 months.

What kinds of events are reported?

malfunction (68.8%), injury (29.8%) and death (1.4%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

device dislodged or dislocated (22.3%), failure to capture (15.1%), stretched (13.8%), separation failure (11.4%) and capturing problem (9.5%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Aveir Leadless Pacemaker, Right Atrium was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.