CPR (Cardiopulmonary Resuscitation) Practice Test

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CPR statistics tell a story that most people never hear until it touches their own family. Every year in the United States, more than 356,000 people experience out-of-hospital cardiac arrest, and roughly 90% of them die before reaching definitive care. Yet when a bystander steps in within the first two minutes, the chance of survival can double or even triple.

Behind every percentage point are real households, ball fields, restaurants, and bedrooms where one trained neighbor changed the outcome. Numbers from the American Heart Association, the CARES registry, and the CDC consistently confirm that early recognition combined with high-quality chest compressions is the single most powerful intervention in the prehospital chain.

These figures matter because they shape policy, dispatch protocols, and the way the cpr machine of training, certification, and refresher cycles is funded across the country. When state legislators see that bystander CPR rates jump from 20% to nearly 50% in communities with mandatory school-based training, they fund more programs. When hospitals see that targeted temperature management improves neurologically intact survival, they invest in cooling protocols. Statistics are not abstract trivia; they are the leverage that converts grief into prevention.

The acls algorithm, pals certification standards, and infant cpr guidelines all evolve directly from this evidence base. The American Heart Association reviews thousands of studies every five years through its International Liaison Committee on Resuscitation, and the recommendations that follow โ€” compression depth, rate, ventilation ratio, drug timing โ€” are filtered through outcome data measured in survival to discharge and Cerebral Performance Category scores. Without rigorous statistics, resuscitation would still rely on intuition and tradition instead of measurable improvement.

This article pulls together the most current and most useful CPR statistics for 2026, drawing from the AHA Heart Disease and Stroke Statistics update, the CARES (Cardiac Arrest Registry to Enhance Survival) annual report, the Resuscitation Outcomes Consortium, and peer-reviewed studies published in Circulation, Resuscitation, and the New England Journal of Medicine. We focus on numbers you can actually use โ€” to motivate a co-worker to take a class, to advocate for an AED at your workplace, or to understand why response time and compression quality matter so much.

You will see data on survival rates by age and setting, bystander response gaps by gender and race, AED deployment outcomes, training completion trends, and the economic impact of cardiac arrest on American families. We will also separate the well-cited facts from the myths that circulate on social media โ€” including the persistent confusion between national cpr foundation listings, cpr cell phone repair brand names, and accredited training organizations. The goal is clarity, not fear.

By the end, you will understand why a respiratory rate count in the first ten seconds of an emergency is one of the most diagnostic acts a layperson can perform, why position recovery techniques are taught only after pulse and breathing are confirmed, and why life support outcomes hinge on the choices made before paramedics arrive. The statistics are sobering, but they are also hopeful โ€” because almost every one of them improves with training.

If you have ever wondered whether learning CPR is worth the time, the answer is in the data. A two-hour class today gives you the practical odds of being the reason someone goes home from the hospital next year. That is not an exaggeration. That is the math.

CPR by the Numbers in 2026

๐Ÿ“Š
356,000+
Annual OHCA cases (US)
โฑ๏ธ
10%
Overall OHCA survival
๐Ÿ›ก๏ธ
40.2%
Bystander CPR rate
โšก
2-3x
Survival increase
๐ŸŽฏ
73%
AED + CPR survival
๐ŸŽ“
18M
Trained annually
Test Your CPR Statistics Knowledge โ€” Free Basic CPR Quiz

Survival Rates by Setting and Age

๐Ÿ  Out-of-Hospital Cardiac Arrest

Overall survival to discharge sits near 10%, but the range is wide. Witnessed arrests with bystander CPR and an early shock can exceed 40%. Unwitnessed arrests with delayed response fall below 3%.

๐Ÿฅ In-Hospital Cardiac Arrest

Adult in-hospital arrests now see survival to discharge near 25%, up from under 14% two decades ago. Improvements stem from rapid response teams, continuous training, and immediate defibrillation availability on every floor.

๐Ÿ‘ถ Pediatric Arrest

Pediatric in-hospital arrest survival is approximately 41%, with even higher neurologically intact outcomes. Out-of-hospital pediatric survival remains lower at 11%, often because pediatric arrests are respiratory in origin and detected late.

โœˆ๏ธ Public Location Arrest

Arrests in airports, casinos, and gyms with on-site AEDs report survival rates between 50% and 74%. Public access defibrillation programs are the clearest example of statistics driving life-saving policy.

๐Ÿ›‹๏ธ Home Setting Arrest

Roughly 73% of cardiac arrests happen at home, where bystander CPR rates are lowest and AEDs are rarely present. This is the largest survival gap in resuscitation data and the focus of community training campaigns.

The bystander response gap is the single most studied disparity in resuscitation science, and the statistics are uncomfortable. National CARES data shows that women in public are 27% less likely than men to receive bystander CPR, largely because rescuers report hesitation around chest exposure and fear of inappropriate contact. Black and Hispanic communities also receive bystander CPR at meaningfully lower rates โ€” a gap that persists even after controlling for arrest location, witnessed status, and median household income.

These numbers are not destiny. Communities that have invested in school-based training, simplified hands-only campaigns, and dispatcher-assisted CPR instruction have closed the gap substantially. In King County, Washington, bystander CPR rates exceed 70% and survival to discharge from witnessed shockable arrests tops 50% โ€” the highest reported anywhere in the world. The difference is not genetics or geography; it is decades of consistent training infrastructure and an emergency dispatch system that coaches callers through compressions in real time.

Time is the variable that matters most. Survival drops roughly 7% to 10% for every minute that passes without CPR and defibrillation. After ten minutes without intervention, survival approaches zero. Bystander CPR cannot replace defibrillation for shockable rhythms, but it keeps the brain and heart perfused so that when the AED or paramedic arrives, there is still a viable patient. This is why dispatchers now begin compression coaching before asking secondary questions and why the adult normal respiration assessment has been compressed into a ten-second check.

Hands-only CPR campaigns have measurably increased layperson willingness to act. Studies after the AHA's hands-only public service announcements showed a 24% increase in bystander CPR attempts and no decrease in survival outcomes for adult sudden collapse. Removing the mouth-to-mouth barrier was a statistical win for public health, even though conventional CPR with ventilations remains the standard for drowning, pediatric, and prolonged arrests.

Dispatcher-assisted CPR โ€” sometimes called telephone CPR or T-CPR โ€” is one of the most cost-effective interventions in emergency medicine. When dispatchers are trained to recognize agonal breathing as cardiac arrest and immediately coach compressions, bystander CPR rates rise by 20 to 40 percentage points. The American Heart Association estimates that universal T-CPR adoption in US 911 centers would save an additional 24,000 lives every year at essentially zero marginal cost.

Cultural factors also shape the response gap. Surveys consistently find that fear of legal liability discourages action, even though every US state has Good Samaritan laws protecting laypersons acting in good faith. Fear of disease transmission, fear of breaking ribs, and fear of doing it wrong all show up in interview data. Each fear has a statistically grounded counter-argument: disease transmission during CPR has never been documented in a peer-reviewed case, rib fractures occur in about 30% of effective adult CPR and are not a contraindication, and any compression is better than none.

The takeaway from response-gap data is that policy and training, not equipment, drive the biggest survival gains. A CPR-certified community is cheaper, faster, and more effective than any technological upgrade currently on the market.

Basic CPR
Quick refresher quiz on compression depth, rate, and recognition.
CPR and First Aid
Combined scenarios covering CPR, choking, bleeding, and recovery.

AED Statistics and What Does AED Stand For in Real Outcomes

๐Ÿ“‹ AED Basics

The question of what does aed stand for is more than vocabulary โ€” it is the gateway to understanding the most powerful prehospital intervention available. Automated External Defibrillator: a portable device that analyzes the heart's electrical rhythm and delivers a shock when ventricular fibrillation or pulseless ventricular tachycardia is detected. AEDs cannot harm a patient who does not need a shock; the device will not deliver energy unless a shockable rhythm is confirmed.

Public access AED programs began expanding in the late 1990s after research demonstrated that survival from witnessed shockable arrest could exceed 70% when defibrillation occurred within three to five minutes. By 2026, more than two million AEDs are installed across US schools, airports, gyms, and offices. Yet utilization remains low: bystanders apply an AED in only about 11% of public OHCA cases, often because they do not know one is nearby or do not feel authorized to use it.

๐Ÿ“‹ AED Survival Data

When an AED is applied before EMS arrival, survival to discharge for witnessed shockable arrests reaches 38% to 50% in most registries โ€” roughly double the survival when AED use is delayed until paramedics arrive. The Public Access Defibrillation trial, published in the New England Journal of Medicine, demonstrated that lay-rescuer AED programs in public locations doubled the number of survivors compared to CPR-only response. Few interventions in medicine show effect sizes this large.

The data also shows that AEDs in homes have not produced the same dramatic results, primarily because home arrests are less often shockable and witnessed. Still, the AHA continues to recommend AED placement in high-traffic public venues with at least one expected arrest every five years. Cost-effectiveness studies place public AED programs well within the accepted threshold for life-saving public health spending.

๐Ÿ“‹ Using an AED Confidently

Modern AEDs are designed for users with zero training. Voice prompts, visual diagrams, and automatic pad detection guide rescuers through each step. Studies of untrained sixth-graders using AEDs on mannequins show successful shock delivery in over 90% of cases within 90 seconds โ€” a result that fundamentally changed how the AHA writes its public guidance. The takeaway is simple: open the lid, follow the prompts, and continue compressions whenever the device advises.

If you are uncertain whether a collapse is cardiac arrest, the AED itself is the diagnostic safety net. It will not shock a heart that is beating normally. The only contraindications are submerged patients (move them first), pacemakers (place pads at least one inch away), and transdermal medication patches (remove and wipe the skin). Otherwise, attaching pads early is one of the highest-yield acts a layperson can perform.

Mandatory High School CPR Training โ€” What the Statistics Say

Pros

  • Forty-plus US states now require CPR training before graduation, producing roughly 2.5 million newly trained teens every year
  • States with mandates show measurable increases in adult bystander CPR rates within five to seven years
  • Training cost per student is under $5 when integrated into existing health curricula
  • School-based training reaches demographics that historically have lower community course enrollment
  • Skills retention at 6 months is adequate for hands-only response, the most common community need
  • Long-term modeling estimates 4,100 additional lives saved annually at full national adoption

Cons

  • Skill decay begins within three months without practice or refresher exposure
  • Mandates without funding can produce checkbox compliance instead of meaningful skills training
  • Hands-only emphasis means trained graduates may be less prepared for pediatric or drowning scenarios
  • Quality of instruction varies widely between districts and instructors
  • Some students with disabilities require accommodation that schools may not fund
  • Long-term outcome studies tracking trained students into adulthood remain limited
Adult CPR and AED
Scenarios on adult compressions, AED placement, and rhythm analysis.
Airway and Choking
Recognition and response to partial and complete airway obstruction.

CPR Statistics Every Trained Responder Should Memorize

Overall out-of-hospital cardiac arrest survival in the US is approximately 10%
Bystander CPR roughly doubles survival; bystander CPR plus early AED roughly triples it
Compression depth target for adults is 2 to 2.4 inches, rate 100 to 120 per minute
Survival drops 7% to 10% for every minute without CPR and defibrillation
About 73% of OHCAs occur in private homes, where bystander rates are lowest
Women receive bystander CPR in public 27% less often than men, per CARES data
Pediatric arrests are most often respiratory in origin, making rescue breaths critical
In-hospital arrest survival has nearly doubled in 20 years due to rapid response teams
AED use within 3 to 5 minutes of collapse produces survival rates over 50%
Dispatcher-assisted CPR can raise bystander CPR rates by 20 to 40 percentage points
Every minute without CPR drops survival by 7% to 10%

If you remember only one number from this article, make it this one. A four-minute delay means survival has already fallen by nearly a third. A ten-minute delay means the patient is almost certainly beyond recovery. This is why hands-only CPR is taught aggressively to laypeople โ€” perfect technique matters less than immediate technique. The compressions you start at minute one are statistically more valuable than the paramedics arriving at minute eight.

Pediatric and infant CPR statistics deserve their own focus because the physiology, etiology, and outcomes differ meaningfully from adult arrest. While adult cardiac arrest is overwhelmingly cardiac in origin โ€” driven by coronary artery disease, arrhythmia, and structural heart conditions โ€” pediatric arrest is most often the end result of respiratory failure or shock. This is why infant cpr training emphasizes airway management, rescue breaths, and recognition of respiratory distress long before chest compressions are needed.

Approximately 7,000 pediatric out-of-hospital cardiac arrests occur in the United States each year, with infants under one year representing the highest-risk pediatric group. Survival to discharge for pediatric OHCA is approximately 11%, with infants at the lower end of that range. In-hospital pediatric arrest survival, however, has improved dramatically โ€” now exceeding 41% to discharge, with the majority of survivors maintaining good neurological function. The gap between in-hospital and out-of-hospital outcomes underscores how time-sensitive pediatric resuscitation is.

Pals certification standards reflect this respiratory-first orientation. The PALS algorithm prioritizes oxygenation and ventilation, recognizes shock states early, and treats bradycardia with poor perfusion as a near-arrest condition requiring immediate compressions. PALS providers โ€” typically pediatricians, ED nurses, and pediatric ICU staff โ€” also train in arrhythmia recognition, vascular access, and drug dosing by weight, all of which are statistically associated with better survival in registry data.

Sudden infant death syndrome, drowning, foreign body airway obstruction, and trauma remain the most common pediatric arrest etiologies outside the hospital. Drowning is particularly significant because it is a leading cause of death in children ages one to four, and immediate rescue breathing โ€” not just compressions โ€” meaningfully improves outcomes. This is one of the few scenarios where conventional CPR clearly outperforms hands-only CPR in published data.

Compression depth and rate for infants and children are scaled to body size. For infants, the recommendation is at least one-third the depth of the chest, roughly 1.5 inches, using two fingers or two thumbs encircling the chest. For children, compressions reach about two inches or one-third anteroposterior depth. The rate remains 100 to 120 per minute across all ages, and the compression-to-ventilation ratio is 30:2 for single rescuers and 15:2 for two trained rescuers.

Bystander CPR for pediatric arrest has been associated with survival improvements as dramatic as those seen in adults. In a large registry analysis, children who received conventional bystander CPR with rescue breaths had significantly better neurologically intact survival than those who received hands-only CPR or no CPR. The takeaway: when training a parent, caregiver, or teacher, full pediatric CPR with breaths remains the gold standard.

Finally, public AED use in children is safe and recommended. Pediatric pads or a pediatric attenuator are preferred for children under eight when available, but adult pads can be used if pediatric pads are not at hand โ€” the survival benefit far outweighs any concern about energy dose. The data is unambiguous: do not delay defibrillation in a pulseless child while searching for the perfect equipment.

The economic statistics behind cardiac arrest are sobering. The American Heart Association estimates that cardiovascular diseases, including sudden cardiac arrest, cost the United States approximately $422 billion annually in direct medical expenses and lost productivity. Out-of-hospital cardiac arrest alone accounts for tens of billions in acute care, post-arrest neurological rehabilitation, and long-term disability costs. These numbers explain why employer-funded CPR training, AED placement subsidies, and school mandates show favorable cost-effectiveness across nearly every published analysis.

For families, a cardiac arrest event commonly produces five-figure to six-figure out-of-pocket costs even with insurance, especially when extended ICU stays, neurorehabilitation, or skilled nursing care are involved. Survivors with good neurological outcomes can typically return to work within months; those with anoxic brain injury may require permanent supportive care. This wide outcome range is one of the strongest arguments for the public health investments that improve early CPR and defibrillation rates.

Insurance coverage of CPR training varies. Many employers cover certification for employees in healthcare, education, and public-facing roles, and some health plans now offer wellness-program credits for completing accredited courses. The malibu cpr training community and similar regional groups have demonstrated that bundling CPR with first aid and AED certification reduces per-student cost and increases skill retention by reinforcing related techniques in a single session.

Workplace AED placement has produced some of the most studied return-on-investment data in occupational health. A single survival event in a workplace AED program typically offsets a decade of program cost when reduced workers' compensation, lost-time injury, and replacement-hire expenses are considered. OSHA does not currently mandate AED placement, but several states require them in health clubs, schools, and government buildings โ€” and litigation outcomes have made AED absence increasingly expensive for employers in high-traffic environments.

Policy interventions with the strongest statistical support include universal dispatcher-assisted CPR, mandatory high school training, public access defibrillation in high-traffic venues, and integrated post-arrest care systems at receiving hospitals. Each of these interventions has been quantified in peer-reviewed cost-per-quality-adjusted-life-year analyses and falls well within the accepted range for high-value public health spending. By contrast, mass distribution of home AEDs has not shown the same cost-effectiveness in average-risk populations and is generally not recommended outside high-risk households.

From a community standpoint, the most efficient lever remains training density. Communities with more than 15% of adults trained in CPR consistently report higher bystander response and better survival. This is the public health equivalent of herd immunity โ€” you do not need everyone trained, but you need enough trained people that the chance of a trained bystander at any given collapse becomes meaningfully high. Workplaces, congregations, sports leagues, and schools are the most efficient venues for building that density.

The economics of CPR can be summarized simply: it is one of the cheapest interventions in medicine relative to the lives saved. A two-hour class, a $1,500 AED, and a community that knows what to do produces measurable, durable, and equitable health outcomes. Few other public health investments can claim the same.

Reinforce Your CPR and First Aid Knowledge โ€” Free Practice Questions

Putting CPR statistics into action requires translating numbers into concrete habits. Start with location awareness: identify the AEDs in your workplace, gym, place of worship, and your child's school. The American Heart Association and PulsePoint maintain national AED registries, and many communities allow citizens to submit AED locations to public databases. Knowing where the nearest AED sits transforms response time from a guessing game into a planned route. Statistically, the bystanders who act fastest are the ones who already know what to do before the emergency begins.

Schedule recertification on a calendar. Skills decay measurably within three to six months without practice, and compression quality declines fastest. Most certification cards are valid for two years, but the literature suggests informal practice โ€” even five minutes on a mannequin or a couch cushion โ€” every quarter keeps technique sharper than a single annual class. Many community gyms, fire departments, and hospitals offer free brief refreshers; ask whether your employer can host a quarterly low-cost session.

Practice your initial assessment until it is automatic. The first ten seconds of any collapse should answer three questions: is the scene safe, is the person responsive, and is breathing normal or absent. The American Heart Association's recommended check considers agonal gasping as no normal breathing, and treats it as cardiac arrest until proven otherwise. Knowing the normal respiratory rate for adults โ€” about 12 to 20 breaths per minute โ€” helps you recognize the abnormal pattern that signals trouble.

Build a small mental library of scenarios. What do you do if your spouse collapses in the kitchen? If a child chokes at a birthday party? If a stranger drops at the airport? Mental rehearsal is well-supported in performance psychology and has been demonstrated in resuscitation studies to reduce hesitation time during actual events. The fewer seconds you spend deciding, the more seconds the patient has.

If you live with someone who has high cardiac risk โ€” coronary disease, prior arrhythmia, heart failure โ€” consider keeping a personal AED at home and ensuring every adult in the household is trained. The statistics for unwitnessed home arrests are grim, but witnessed home arrest with immediate household response can reach community-average survival or better. The investment is roughly $1,200 to $1,800 for a quality AED and one weekend of training for a family of four.

Advocate at the policy level. Ask your school board whether CPR is part of graduation requirements. Ask your employer whether AEDs are present, current, and tested monthly. Ask your gym whether staff are certified and whether the AED is easily accessible. Each question creates a small pressure that, multiplied across communities, drives the statistical improvements we see in places like King County and Seattle. Individual training matters; collective infrastructure multiplies it.

Finally, give yourself permission to act imperfectly. The data is unambiguous: bad CPR is dramatically better than no CPR, and any compressions are better than waiting. The fear of doing it wrong is statistically the largest barrier to bystander action, and it is the one most easily dissolved by training. Once you have practiced even once, the threshold to act collapses โ€” and that is exactly the threshold that determines whether the person in front of you survives.

Emergency Recognition
Practice identifying cardiac and respiratory emergencies before they escalate.
Child and Infant CPR
Pediatric scenarios covering compressions, ventilations, and AED use.

CPR Questions and Answers

What is the current survival rate for out-of-hospital cardiac arrest?

Overall survival to hospital discharge for out-of-hospital cardiac arrest in the United States is approximately 10%, according to the CARES registry and the American Heart Association 2026 statistics update. However, survival varies dramatically by setting and response. Witnessed arrests with bystander CPR and early AED defibrillation can exceed 40% survival, while unwitnessed arrests with delayed response fall below 3%. Setting, witness status, and time to first compression are the strongest predictors of outcome.

How much does bystander CPR actually improve survival?

Bystander CPR roughly doubles, and in some studies triples, the chance of survival from cardiac arrest compared to no intervention. The mechanism is straightforward: chest compressions maintain enough cerebral and coronary perfusion to keep the heart and brain viable until defibrillation or advanced care arrives. The effect is largest when CPR begins within the first two minutes of collapse, which is why dispatcher-assisted CPR and community training programs focus heavily on reducing time to first compression.

What percentage of cardiac arrests happen at home?

Approximately 73% of out-of-hospital cardiac arrests in the United States occur in private residences. This is statistically the most important setting and also the one with the lowest bystander CPR rates and lowest AED availability. The home setting represents the largest survival gap in current resuscitation data, which is why public health campaigns increasingly target household training โ€” teaching family members of high-risk patients to recognize arrest and start CPR immediately.

Is hands-only CPR as effective as conventional CPR with rescue breaths?

For adult witnessed sudden collapse, hands-only CPR delivered by laypeople is statistically equivalent to conventional CPR in the first several minutes. The simplicity removes hesitation and increases bystander participation. However, for pediatric arrest, drowning, drug overdose, and prolonged arrests, conventional CPR with rescue breaths produces better outcomes. The American Heart Association recommends hands-only CPR for untrained bystanders and conventional CPR for trained responders when appropriate to the scenario.

How long can CPR be effective before survival becomes unlikely?

Survival declines roughly 7% to 10% for every minute that passes without CPR and defibrillation. After ten minutes of no intervention, survival approaches zero for most cardiac etiologies. However, in cases of hypothermia, drowning in cold water, or drug overdose, prolonged CPR has produced neurologically intact survivors after 30 minutes or more. Continuous high-quality compressions until advanced care arrives or the patient is declared by trained personnel is the recommended standard.

What does AED stand for and how effective is it?

AED stands for Automated External Defibrillator. When applied within three to five minutes of collapse in a witnessed shockable arrest, AED use produces survival rates of 50% to over 70% in registry data. AEDs cannot harm a patient who does not need a shock; they analyze the rhythm and deliver energy only when ventricular fibrillation or pulseless ventricular tachycardia is detected. They are designed for untrained users and follow simple voice-guided prompts.

How often should I recertify in CPR?

Most CPR certification cards from the American Heart Association, Red Cross, and equivalent providers are valid for two years. However, skill decay studies show meaningful decline in compression quality within three to six months, especially for laypeople. Many experts recommend brief informal practice every three to six months โ€” even five minutes on a mannequin โ€” to maintain proficiency. Healthcare providers and high-risk responders often refresh annually or biannually through their employers.

Are pediatric and adult CPR statistics different?

Yes, significantly. Pediatric cardiac arrest is most often respiratory in origin rather than cardiac, making rescue breaths and airway management particularly important. Out-of-hospital pediatric survival is approximately 11%, while in-hospital pediatric arrest survival exceeds 41% to discharge. Bystander CPR with rescue breaths has been associated with better neurologically intact outcomes in children compared to hands-only CPR, which is the opposite of the adult pattern in some scenarios.

What is the bystander CPR rate in the United States?

Current CARES registry data places the bystander CPR rate at approximately 40.2% for witnessed out-of-hospital cardiac arrest. However, the rate varies dramatically by region: some communities exceed 70% while others remain below 20%. Bystander response also differs by gender and race, with women and minority patients receiving CPR less frequently in public settings. Closing these gaps through targeted training is one of the highest-leverage interventions in resuscitation policy.

Where do reliable CPR statistics come from?

The most reliable US sources are the American Heart Association's annual Heart Disease and Stroke Statistics update, the CARES (Cardiac Arrest Registry to Enhance Survival) annual report, the CDC, and peer-reviewed journals like Circulation, Resuscitation, and the New England Journal of Medicine. Be cautious with statistics circulated on social media or attributed to organizations that sound official but are not accredited training or registry bodies. Outdated 1990s survival figures are still frequently quoted as current.
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