Reported Reactions

Adverse event reports that FDA received

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Cardiac arrest adverse event reports that record this term

Kind of term
MedDRA preferred term
Plain meaning
the heart stopped

What a report is

A report is not proof that the drug was the cause of the event.

FDA says:

Adverse event reports submitted to FDA do not undergo extensive validation or verification. Therefore, a causal relationship cannot be established between product and reactions listed in a report. While a suspected relationship may exist, it is not medically validated and should not be the sole source of information for clinical decision making or other assumptions about the safety or efficacy of a product. Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview, section "Responsible use of the data". The site read the page on . The data have the reports that FDA received through .

FDA also says:

There is no certainty that the reported event (adverse event or medication error) was actually due to the product. FDA does not require that a causal relationship between a product and event be proven, and reports do not always contain enough detail to properly evaluate an event. The information in these reports has not been scientifically or otherwise verified as to a cause and effect relationship and cannot be used to estimate the incidence of these events.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated.

Source: openFDA, Response of the drug event API (meta.disclaimer). The site read the page on .

Not medical advice. This site counts what was reported to FDA. Questions about a medicine or device belong with a pharmacist or clinician.

Reports on file

From January 2004 to June 2026, FDA received 81,495 adverse event reports that record the MedDRA preferred term Cardiac arrest. In plain words, the term means: the heart stopped. The person who codes a report selects the term that agrees best with the description of the reporter.

FDA received 4,046 reports in the 12 months to June 2026 and 3,827 in the 12 months before. FDA releases FAERS data every quarter, so the newest months are not complete. They grow in later releases.

By reports in the 12 months to June 2026, this term was number 189 of 1,436 reaction terms with a page. Of the 1,332,454 drug reports that FDA received in the 12 months to June 2026, 4,046 (0.3%) record this term. Reports for male patients were 47.3% of the reports that record this term and 34.6% of all drug reports.

The number of people who use the product is not in the data. A count is not a rate.

MedDRA

The Medical Dictionary for Regulatory Activities. The person who codes a report selects the preferred term that agrees best with the description of the reporter. FDA does not publish the description.

Plain meaning

The heart stopped. The words are from the fixed dictionary of this site. They add nothing to a report.

Data version

openFDA FAERS release of 29 Oct 2026. Reports received through 30 Jun 2026.

Drugs in these reports

The table has the 127 drug pages with 250 or more reports that record this term. The rows are in order of name. A drug page with fewer reports for this term is not in the table. The counts are the counts that the site keeps for each reaction term, and a count can be lower than the count of FDA.

FDA says:

Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Importantly, the AEMS data by themselves are not an indicator of the safety profile of the drug or biologic.

Source: FDA, FDA Adverse Event Monitoring System (AEMS) Public Dashboard. Content current as of . The site read the page on .

Drugs that the reports with the term Cardiac arrest name as a suspect product, in order of name
DrugClassReports with this term
Acetaminophen1,225
Acetaminophen and Hydrocodone Bitartrate436
Acetylsalicylic Acid253
Alcohol698
AlprazolamBenzodiazepine2,885
AmbrisentanEndothelin receptor antagonist294
Amiodarone418
Amitriptyline543
Amitriptyline hclTricyclic antidepressant269
AmlodipineCalcium channel blocker786
AmphetamineCentral nervous system stimulant267
AspirinNonsteroidal anti-inflammatory drug584
Atenololbeta-Adrenergic blocker350
Avandia1,574
Baclofengamma-Aminobutyric acid-ergic agonist351
BupropionAminoketone965
Bupropion hydrochlorideAminoketone296
CapecitabineNucleoside metabolic inhibitor379
CarbamazepineMood stabilizer314
Carbidopa levodopaAromatic amino acid379
CarboplatinPlatinum-based drug476
CarisoprodolMuscle relaxant622
CeftriaxoneCephalosporin antibacterial266
CisplatinPlatinum-based drug363
CitalopramSerotonin reuptake inhibitor744
Citalopram hydrobromideSerotonin reuptake inhibitor376
ClonazepamBenzodiazepine1,355
ClonidineCentral alpha-2 adrenergic agonist263
ClopidogrelP2Y12 platelet inhibitor305
ClozapineAtypical antipsychotic462
ClozarilAtypical antipsychotic345
Cocaine1,128
CyclobenzaprineMuscle relaxant410
CyclophosphamideAlkylating drug639
CytarabineNucleoside metabolic inhibitor383
DexamethasoneCorticosteroid822
Dianeal1,199
Dianeal Low Calcium359
Dianeal Low Calcium Peritoneal Dialysis Solution with Dextrose656
DiazepamBenzodiazepine1,452
DigoxinCardiac glycoside559
Diltiazem408
DiphenhydramineHistamine-1 receptor antagonist721
Diphenhydramine hclHistamine-1 receptor antagonist297
Duodopa398
EliquisFactor Xa inhibitor311
EnbrelTumor necrosis factor blocker301
EntrestoAngiotensin 2 receptor blocker714
EpinephrineCatecholamine463
EscitalopramSerotonin reuptake inhibitor395
Ethanol970
EtoposideTopoisomerase inhibitor325
ExtranealOsmotic laxative566
FentanylOpioid agonist1,564
Fentanyl citrateOpioid agonist848
FluorouracilNucleoside metabolic inhibitor366
FluoxetineSerotonin reuptake inhibitor785
FurosemideLoop diuretic527
GabapentinAnti-epileptic agent1,116
HaloperidolTypical antipsychotic314
Heparin343
Heparin sodiumAnti-coagulant354
Heroin584
Humira795
Hydrocodone309
Hydrocodone bitartrate and acetaminophenOpioid agonist404
HydroxyzineAntihistamine406
IbuprofenNonsteroidal anti-inflammatory drug712
LamotrigineAnti-epileptic agent710
Levetiracetam432
Lexiscan(r) (regadenoson)257
LidocaineAmide local anesthetic609
LisinoprilAngiotensin converting enzyme inhibitor400
Loperamide278
LorazepamBenzodiazepine793
MetforminBiguanide1,044
Metformin hydrochlorideBiguanide409
MethadoneOpioid agonist917
Methadone hcl651
Methamphetamine307
MethotrexateFolate analog metabolic inhibitor550
MethylprednisoloneCorticosteroid402
Metoprololbeta-Adrenergic blocker669
MidazolamBenzodiazepine409
Mirtazapine494
MorphineOpioid agonist774
Morphine sulfateOpioid agonist566
Mycophenolate mofetilAntimetabolite immunosuppressant427
NaproxenNonsteroidal anti-inflammatory drug286
OlanzapineAtypical antipsychotic664
OmeprazoleProton pump inhibitor343
OndansetronSerotonin-3 receptor antagonist635
OpsumitEndothelin receptor antagonist352
OxaliplatinPlatinum-based drug485
OxycodoneOpioid agonist994
Oxycodone hclOpioid agonist599
Oxycodone hydrochlorideOpioid agonist710
OxyContinOpioid agonist310
PaclitaxelMicrotubule inhibitor402
Potassium chlorideOsmotic laxative259
PradaxaDirect thrombin inhibitor351
PrednisoloneCorticosteroid396
PrednisoneCorticosteroid864
Pregabalin428
PropofolGeneral anesthetic990
Propranololbeta-Adrenergic blocker628
QuetiapineAtypical antipsychotic1,064
Quetiapine fumarateAtypical antipsychotic357
RevlimidThalidomide analog732
RisperidoneAtypical antipsychotic347
RituximabCD20-directed cytolytic antibody605
Rocuronium bromideNondepolarizing neuromuscular blocker253
SertralineSerotonin reuptake inhibitor535
SevofluraneGeneral anesthetic266
TacrolimusCalcineurin inhibitor immunosuppressant515
Topiramate258
TracleerEndothelin receptor antagonist403
Tramadol572
Trazodone563
Valproic acidAnti-epileptic agent286
VancomycinGlycopeptide antibacterial276
VenlafaxineSerotonin and norepinephrine reuptake inhibitor687
Verapamil286
Vincristine262
Vioxx600
XareltoFactor Xa inhibitor311
Zolpidemgamma-Aminobutyric acid A receptor positive modulator613

The page of each drug has the count of each reaction term in its reaction lookup.

Drug classes in these reports

The table has the 55 pharmacologic classes with 500 or more reports that record this term. The rows are in order of name.

FDA says:

Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Importantly, the AEMS data by themselves are not an indicator of the safety profile of the drug or biologic.

Source: FDA, FDA Adverse Event Monitoring System (AEMS) Public Dashboard. Content current as of . The site read the page on .

Pharmacologic classes of the drugs that the reports with the term Cardiac arrest name, in order of name
ClassReports with this term
Alkylating drug989
Amide local anesthetic1,217
Aminoketone1,524
Angiotensin 2 receptor blocker1,372
Angiotensin converting enzyme inhibitor809
Anthracycline topoisomerase inhibitor533
Anti-epileptic agent2,856
Antiarrhythmic644
Anticholinergic620
Antihistamine577
Antimetabolite immunosuppressant618
Atypical antipsychotic4,648
Azole antifungal509
Benzodiazepine7,648
beta-Adrenergic blocker2,688
Biguanide1,708
Calcineurin inhibitor immunosuppressant932
Calcium channel blocker1,053
Cardiac glycoside568
Catecholamine842
CD20-directed cytolytic antibody831
Central alpha-2 adrenergic agonist650
Central nervous system stimulant759
Cephalosporin antibacterial667
Corticosteroid3,261
Endothelin receptor antagonist1,292
Factor Xa inhibitor960
Folate analog metabolic inhibitor708
gamma-Aminobutyric acid A receptor positive modulator752
General anesthetic1,558
Histamine-1 receptor antagonist1,363
HMG-CoA reductase inhibitor675
Insulin analog604
Kinase inhibitor2,012
Loop diuretic649
Microtubule inhibitor685
Mood stabilizer600
Muscle relaxant1,315
Nondepolarizing neuromuscular blocker525
Nonsteroidal anti-inflammatory drug2,401
Nucleoside metabolic inhibitor1,746
Opioid agonist9,291
Osmotic laxative1,410
P2Y12 platelet inhibitor988
Platinum-based drug1,324
Programmed death Receptor-1 blocking antibody692
Prostacycline vasodilator588
Proton pump inhibitor1,455
Serotonin and norepinephrine reuptake inhibitor1,513
Serotonin reuptake inhibitor4,132
Serotonin-3 receptor antagonist710
Thalidomide analog1,072
Tricyclic antidepressant619
Tumor necrosis factor blocker767
Vascular endothelial growth factor inhibitor549

A class with many reports in all has many reports for almost every term.

Reports by month

Reports that record Cardiac arrest, by month, five years to June 2026
05001,00020222023202420252026

FDA releases FAERS data every quarter, so the newest months are not complete. They grow in later releases.

Patients in these reports

Age of the patient in the reports that record Cardiac arrest
AgeReportsShareShare as a bar
Under 29491.2%
2 to 111,3771.7%
12 to 171,9442.4%
18 to 4416,77420.6%
45 to 6421,68026.6%
65 to 7411,85014.5%
75 and over10,39412.8%
Age not given16,52720.3%
Sex of the patient in the reports that record Cardiac arrest
SexReportsShareShare as a bar
Female35,61743.7%
Male38,53147.3%
Unknown or not given7,3479%

Age and sex are as the report gives them. 54.5% of these reports give the United States as the country.

Terms near this one

Official pages

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Reported Reactions. Cardiac arrest: adverse event reports that record this term. https://reportedreactions.com/reaction/cardiac-arrest/ Source: U.S. Food and Drug Administration, openFDA Drug Adverse Event (FAERS) files, release of . Reports received through .

Where the data come from

The counts come from the openFDA Drug Adverse Event (FAERS) bulk files, release of 29 Oct 2026. The files have the reports that FDA received through 30 Jun 2026. A drug name is the name on the report. The site matches it to a brand name or a generic name of the National Drug Code Directory of 2 Nov 2026. A class is the pharmacologic class (EPC) of the FDA label.

The count has the reports with each spelling of one MedDRA preferred term. The site does not publish a report narrative, a lot number, a detail of a patient or the identity of a reporter. The record of FDA is the authority. See how the site counts reports, the data sources and the corrections page.

Questions

What does Cardiac arrest mean in an adverse event report?

In plain words: the heart stopped. It is a MedDRA preferred term. FDA codes the description of a reporter with the MedDRA dictionary. The openFDA files do not have the description itself, and this site does not show it.

Does a drug in the table mean that the drug was responsible for this reaction?

No. FDA says:

No individual drug is connected to any individual reaction.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

When a report lists multiple drugs and multiple reactions, there is no way to conclude from the data therein that a given drug is responsible for a given reaction.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

What does this page tell a person who has this symptom?

This page gives counts of reports. It cannot assess a person. A pharmacist or a clinician can assess a person.

If this is a medical emergency, please call 911.

Source: FDA, MedWatch Online Voluntary Reporting Form. The site read the page on .