Cardiac Arrest

A cardiac arrest, also known as cardiopulmonary arrest or circulatory arrest, is the abrupt cessation of normal circulation of the blood due to failure of the heart to contract effectively during systole.

What is Cardiac Arrest?

A cardiac arrest is also called a cardiopulmonary arrest or circulatory arrest and indicates a sudden stop in effective and normal blood circulation due to failure of the heart to pump blood.

Cardiac Arrest Ethical Issues

What is Lazarus Syndrome (Autoresuscitation)?

Cardiac Arrest Prognosis

Cardiac Arrest Prevention

Cardiac Arrest Treatment

Heart attack and cardiac arrest difference

Latest Cardiac Arrest News and Research

Machine learning model boosts success of liver transplants from circulatory death donors

There are more candidates on the waitlist for a liver transplant than there are available organs, yet about half the time a match is found with a donor who dies after cardiac arrest following the removal of life support, the transplant must be canceled.

13 Nov 2025

Earlier blood transfusion reduces heart complications post-surgery in high-risk patients

An earlier blood transfusion- done when hemoglobin levels were higher - after major general or vascular surgery among people with heart disease was associated with a lower risk of some complications but not the most severe ones, according to a preliminary late-breaking science presentation today at the American Heart Association's Scientific Sessions 2025.

11 Nov 2025

Mapping how the heart heals after a heart attack

Over the course of evolution, the human heart has largely lost its ability to regenerate. Our distant ancestors were not afflicted by heart attacks - a condition that emerged primarily with modern lifestyles marked by poor diet, obesity, and other cardiovascular risk factors.

3 Nov 2025

More frequent use of electrocardiograms could help prevent sudden cardiac death

Many young people who suffered sudden cardiac death had recently sought medical care. More frequent use of electrocardiograms (ECG) could help prevent such cases, according to researchers at the University of Gothenburg.

3 Nov 2025

Quick bystander CPR improves survival odds in children after cardiac arrest

Cardiopulmonary resuscitation (CPR) performed within five minutes of a child's heart stopping nearly doubled their chances of survival, according to preliminary research to be presented at the American Heart Association's Resuscitation Science Symposium 2025.

3 Nov 2025

Updated guidelines published for pediatric CPR and emergency cardiovascular care

The American Academy of Pediatrics and the American Heart Association (the Association), a relentless force changing the future of health for everyone everywhere, have published updated guidelines for cardiopulmonary resuscitation and emergency cardiovascular care for newborn and pediatric populations.

24 Oct 2025

Updated CPR guidelines provide expanded recommendations for managing choking and opioid overdose

The "2025 American Heart Association Guidelines for Cardiopulmonary Resuscitation (CPR) and Emergency Cardiovascular Care (ECC)," published today in the Association's flagship journal, Circulation, marks the first full revision of lifesaving resuscitation guidance since 2020.

22 Oct 2025

American Heart Association launches financial grant program to teach CPR in schools

Today on World Restart a Heart Day, the American Heart Association, a relentless force changing the future of health for everyone everywhere, launches a new financial grant program to equip 40 high school and college Heart Clubs across the country with CPR training and resources.

16 Oct 2025

UIC studies reveal rise in lidocaine poisonings despite overall drop in anesthetic deaths

Over the last decade, poisonings and deaths linked to the use of local anesthetics have decreased. Even so, poisonings from one commonly used anesthetic, lidocaine, have increased in the United States, according to two new studies from the University of Illinois Chicago.

6 Oct 2025

Neurological outcomes after cardiac arrest found to be similar across income levels

People who have a cardiac arrest in their own homes have similar neurological outcomes regardless of socioeconomic background, according to research presented at the European Emergency Medicine Congress today (Wednesday).

2 Oct 2025

Resuscitation Care Units improve efficiency, documentation and reimbursement costs for hospitals

Resuscitation Care Units (RCUs) provide intensive, comprehensive and immediate medical care for critically ill patients with life-threatening conditions, such as cardiac arrest, requiring specialized monitoring and rapid intervention from a multidisciplinary team.

29 Sep 2025

Psychological distress after a heart attack emerges as a critical risk factor for heart health

Many people experience one or more types of psychological distress, including depression, anxiety, psychosocial stress or post-traumatic stress disorder (PTSD), after a heart attack, which can affect their physical recovery and long-term heart health, according to a new American Heart Association scientific statement, published today in the American Heart Association's flagship, peer-reviewed journal Circulation.

22 Sep 2025

Decline in pediatric rescue breathing increased deaths during the pandemic

Cardiac arrest happens when the heart stops pumping blood properly, cutting off oxygen to the brain and other vital organs.

16 Sep 2025

European study identifies risk factors and outcomes in fulminant myocarditis

A multicenter study coordinated by the University Hospital Bonn (UKB) involving 26 European centers provides new insights into the course of the disease, prognosis assessment, and risk factors for severe myocarditis.

12 Sep 2025

Daylight saving time does not increase heart attack risk, study shows

A large U.S. registry study of more than 168,000 patients found that daylight saving time (DST) clock changes did not increase heart attack rates or worsen in-hospital outcomes. The findings suggest that the lost or gained hour is unlikely to trigger acute myocardial infarction in contemporary care.

10 Sep 2025

Defibrillator drones cut response times in out-of-hospital cardiac emergencies

Drones delivering defibrillators show promise in emergency response, but survival rates depend on effective dispatcher support and bystander AED confidence.

10 Sep 2025

'Resistin like molecule gamma' punches holes into heart cells after myocardial infarction

Nina Kumowski, MD, of the Department of Radiology and Center for Systems Biology at Massachusetts General Hospital, is the lead author and Matthias Nahrendorf, MD, PhD of the Department of Radiology and Center for Systems Biology at MGH, is the senior author of a paper published in Science, "Resistin-like molecule γ attacks cardiomyocyte membranes and promotes ventricular tachycardia."

9 Sep 2025

Study tests the feasibility of drone-delivered AEDs for out-of-hospital cardiac arrest

In the UK there are more than 40,000 out-of-hospital cardiac arrests (OHCA) annually, but fewer than 10% of people survive.

8 Sep 2025

ICD treatment does not lower death risk in patients with abnormal ECG after myocardial infarction

Prophylactic implantable cardioverter defibrillator therapy did not reduce mortality in patients with a prior myocardial infarction, persistent moderate left ventricular systolic dysfunction and abnormal ECG markers, according to late-breaking research presented in a Hot Line session today at ESC Congress 2025.

1 Sep 2025

Fentanyl abuse impairs cardiac cell function and contributes to heart rhythm defects

In recent years, fentanyl, a synthetic opioid that is 50 to 100 times stronger than morphine, has been a main contributor to the opioid crisis.

28 Aug 2025

Cardiac Arrest

Overview

Cardiac Arrest Ethical Issues

What is Lazarus Syndrome (Autoresuscitation)?

Cardiac Arrest Prognosis

Feature Articles

Cardiac Arrest Prevention

Cardiac Arrest Treatment

Heart attack and cardiac arrest difference

Latest Cardiac Arrest News and Research

Machine learning model boosts success of liver transplants from circulatory death donors

Earlier blood transfusion reduces heart complications post-surgery in high-risk patients

Mapping how the heart heals after a heart attack

More frequent use of electrocardiograms could help prevent sudden cardiac death

Quick bystander CPR improves survival odds in children after cardiac arrest

Updated guidelines published for pediatric CPR and emergency cardiovascular care

Updated CPR guidelines provide expanded recommendations for managing choking and opioid overdose

American Heart Association launches financial grant program to teach CPR in schools

UIC studies reveal rise in lidocaine poisonings despite overall drop in anesthetic deaths

Neurological outcomes after cardiac arrest found to be similar across income levels

Resuscitation Care Units improve efficiency, documentation and reimbursement costs for hospitals

Psychological distress after a heart attack emerges as a critical risk factor for heart health

Decline in pediatric rescue breathing increased deaths during the pandemic

European study identifies risk factors and outcomes in fulminant myocarditis

Daylight saving time does not increase heart attack risk, study shows

Defibrillator drones cut response times in out-of-hospital cardiac emergencies

'Resistin like molecule gamma' punches holes into heart cells after myocardial infarction

Study tests the feasibility of drone-delivered AEDs for out-of-hospital cardiac arrest

ICD treatment does not lower death risk in patients with abnormal ECG after myocardial infarction

Fentanyl abuse impairs cardiac cell function and contributes to heart rhythm defects

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

Cardiac Arrest

Overview

Feature Articles

Cardiac Arrest Prevention

Cardiac Arrest Treatment

Heart attack and cardiac arrest difference

Latest Cardiac Arrest News and Research

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

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