Reported Reactions

Devices › Automated external defibrillators (non-wearable)

Device brand name · External dc defibrillator/cardiac monitor

Lifepak 500 Automated External Defibrillator: medical device reports filed with FDA

804 reports name it, 1997–2011. Manufacturer given most often on reports: Medtronic Physio-Control. Product code MKJ.

804
device reports naming the brand
0% of all MAUDE reports · about 28 a year
0
reports, 12 months to August 2026
0 in the 12 months before
89.7%
classified as malfunction
96.8% across the product code
10%
classified as death, as reported
80 reports · not verified by FDA

804 medical device reports received by FDA name the brand "Lifepak 500 Automated External Defibrillator" (external dc defibrillator/cardiac monitor); the manufacturer given most often on reports is Medtronic Physio-Control; received from June 1997 to December 2011. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

0 reports arrived in the 12 months to August 2026, and none 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 (89.7%), death (10%) and injury (0.4%); across all automated external defibrillators (non-wearable) reports (product code MKJ) death is recorded in 1.7% and malfunction in 96.8%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are device displays incorrect message (26.6%), failure to analyze signal (20.6%) and replace (20.4%). The patient problems coded most often are death, no patient involvement and therapy/non-surgical treatment/delayed/prolonged. 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

No report naming Lifepak 500 Automated External Defibrillator was received in the five years to August 2026; the latest was received in December 2011.

By year received

0501001997: 1619971998: 701999: 10019992000: 902001: 7220012002: 502003: 4620032004: 292005: 3020052006: 202007: 4020072008: 662009: 6020092010: 662011: 492011

Event type and report source

Event type, as classified on the report

Death10%80
Injury0.4%3
Malfunction89.7%721
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%804
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 269,686 reports carrying product code MKJ. 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 displays incorrect message21426.6%11.6%
Failure to analyze signal16620.6%0.5%
Replace16420.4%0.7%
Failure to power up10913.6%13%
Device inoperablethe device could not be used8010%1.9%
Ekg/ECG analysis, failure to perform688.5%0.1%
Failure to charge475.8%2.5%
Failure to deliver energy465.7%0.7%
Defibrillation/stimulation problem405%3.2%
Loss of powerthe device lost power303.7%1.6%
Shock, failure to advise293.6%0.1%
Failure to run on ac/dc253.1%0.9%
Inappropriate audible prompt/feedback253.1%0.2%
Battery failure243%0.1%
Device issuea problem with the device222.7%0.4%
Incorrect interpretation of signal182.2%0.4%
Other (for use when an appropriate device code cannot be identified)172.1%0.2%
Alarm, audible131.6%0%
Display or visual feedback problem111.4%0.5%
Device damaged prior to usethe device was damaged before use101.2%0%

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
Deaththe patient died; cause not stated by this term24530.5%
No patient involvement16720.8%
Therapy/non-surgical treatment/delayed/prolonged627.7%
Resuscitation496.1%
Therapy/non-surgical treatment, additional364.5%
Not applicable344.2%
Hospitalization required162%
Asystole131.6%
Therapy/non-surgical treatment, aborted/stopped121.5%
Breathing difficulties91.1%
Treatment with medication(s)81%
Cardiac arrestthe heart stopped70.9%
Cardiopulmonary arrest60.7%
Ventricular fibrillationa chaotic rhythm from the lower heart chambers60.7%
Eye injury40.5%

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

In context

MeasureLifepak 500 Automated External DefibrillatorProduct code MKJAll MAUDE reports
Reports804269,68626,136,888
Share of that pool—0.3%0%
Classified as death, per 1,000 reports100179
Classified as injury0.4%0.7%36.2%
Classified as malfunction89.7%96.8%62.3%
Filed by the manufacturer100%99.3%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 MKJ

BrandReportsLatest 12 monthsClassified as death
M Series27,11242.3%
Heartstart Mrx18,59200.7%
HeartStart MRx -EMS Defibrillator16,166330.8%
Heart Start XL15,944950.9%
R Series Defibrillator15,39300.9%
X Series13,9831,6922.7%
HeartStart XL+ Defibrillator/Monitor13,1882100.4%
Heartstart Onsite10,96400.8%
Aed Plus9,2254232.2%
Heartsine Samaritan 300p And Pad Pak8,19700.3%
E Series Defibrillator8,05201.5%
Lifepak R 15 Monitor/Defibrillator6,1174631.4%
Heartstart Frx5,97821.3%
Efficia Dfm1005,07600.6%
LIFEPAK 15 defibrillator/monitor4,7163691%

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 Lifepak 500 Automated External Defibrillator reports

How many FDA reports name Lifepak 500 Automated External Defibrillator?

804 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (89.7%), death (10%) and injury (0.4%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

device displays incorrect message (26.6%), failure to analyze signal (20.6%), replace (20.4%), failure to power up (13.6%) and device inoperable (10%). 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 Lifepak 500 Automated External Defibrillator 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.