Difference Between Heart Attack and Cardiac Arrest

Heart attack vs cardiac arrest is a comparison many people search for, yet these two medical emergencies are often misunderstood. A heart attack happens when a blockage stops blood flow to a portion of the heart muscle, which is an issue with circulation.

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The individual is normally awake and may have chest pain or discomfort. On the other hand, cardiac arrest is an electrical malfunction that makes the heart stop beating all of a sudden, making the individual fall down and lose consciousness. Let's read on to discuss more about the difference between cardiac arrest and heart attack in detail.

Heart Attack vs Cardiac Arrest: Understanding The Critical Difference

The table shows the difference between cardiac arrest and heart attack is essential not only for emergency response but also for long-term planning. Cardiac events are among the leading causes of sudden death, making life insurance plans an important consideration for working individuals, especially those with existing health risks.

Feature Heart Attack Cardiac Arrest
What Happens When blood flow to a section of the heart is obstructed, typically due to a clot, it results in damage to the heart muscle. The heart experiences a sudden disruption in its normal rhythm as a result of an electrical malfunction.
Main Cause Obstruction in a coronary artery. An electrical malfunction disrupts the heart's rhythm.
Common Symptoms Symptoms may include chest pain or pressure, shortness of breath, and discomfort in the arm, jaw, or neck, as well as nausea and cold sweats. Symptoms can develop gradually or manifest abruptly. Unexpected collapse, unresponsiveness, absence of pulse, and lack of breathing. Dizziness or breathlessness may occasionally occur just prior to an event.
Heart Condition The heart continues to beat, yet a portion of the muscle is deprived of oxygen. The heart ceases to pump blood efficiently, resulting in a disruption of circulation to both the brain and the body.
Instant First Aid Report emergencies immediately. Keep the person quiet and rested. Report emergencies immediately. Start CPR and use an AED if available.
Outcomes If not treated promptly, it can be life-threatening and may result in cardiac arrest. Without CPR or defibrillation, cardiac arrest can often be fatal within minutes. Quick action improves survival.

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What Is Cardiac Arrest

Cardiac arrest occurs when the heart abruptly ceases to beat effectively, resulting in the interruption of blood flow to the brain and other essential organs. An electrical issue within the heart leads to a disruption in its normal rhythm, which hinders its ability to pump blood effectively. A person can suddenly lose consciousness, stop breathing normally, and exhibit no pulse.

This is why individuals with heart-related risk factors often prioritise term insurance planning, ensuring their family is financially supported even if their earning ability is affected after a major cardiac event.

Cardiac arrest is a critical emergency that can lead to death within minutes if not addressed promptly. Taking prompt action—such as contacting emergency services, initiating CPR, and using a defibrillator (AED)—can significantly enhance the likelihood of survival and potentially save a life.

Note: You can check premiums of your plan using a term insurance calculator.

Warning Signs Of A Cardiac Arrest

  • Chest discomfort may appear as pain, pressure, or tightness.

  • Shortness of breath may occur even during periods of rest or with minimal exertion.

  • Dizziness, lightheadedness, or fainting can occur, particularly during or following physical activity.

  • Heart palpitations may appear as a racing, pounding, or fluttering sensation in the heartbeat.

  • Unusual extreme or unexplained fatigue

  • Nausea or vomiting that occurs without an obvious reason

Warning signs can occur hours, days, or even weeks prior to a cardiac arrest. It is crucial to pay attention to your health—seeking medical care promptly can help avert a potentially life-threatening situation.

How To Prevent A Cardiac Arrest

  • Engage in moderate exercise most days to strengthen the heart and enhance circulation.

  • Do not smoke or drink excessively: Smoking increases risk.

  • De-stress with meditation, yoga, or deep breathing and get adequate sleep: Sleep 7–9 hours a night.

  • Regular checks identify cardiac issues early and manage cholesterol, blood pressure, and blood sugar with your doctor.

  • Control chronic diseases: diabetes and heart disease must be managed.

  • Recognise early symptoms: never disregard them.

  • Emergency CPR and AED usage may save lives.

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What Is A Heart Attack

A heart attack occurs when there is a sudden reduction or complete blockage of blood flow to the heart muscle. This typically happens when fat and various substances accumulate within the coronary arteries, leading to the formation of plaques, a condition known as atherosclerosis. When a plaque ruptures, it has the potential to form a blood clot that obstructs the artery. Insufficient oxygen-rich blood supply to the heart can lead to damage to a portion of the muscle. A heart attack in young adults is a significant medical emergency, and prompt treatment is essential to minimise damage and preserve life.

Read more about the Heart attack Immediate Emergency Responses

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Warning Signs Of A Heart Attack

  • Chest pain or discomfort that persists for more than a few minutes, or that recurs after subsiding

  • Discomfort may be experienced in various areas of the upper body, including the jaw, neck, shoulders, back, one or both arms, or the upper stomach.

  • Experiencing shortness of breath, which may occur with or without accompanying chest discomfort.

  • Symptoms may include nausea, vomiting, cold sweats, or atypical sweating.

If you have any of these symptoms, you should seek medical attention as soon as possible since prompt treatment can save your life and it is important to know what to do in case of heart attack.

How To Prevent A Heart Attack

  • Adopt a heart-healthy diet by incorporating various fruits, vegetables and beneficial fats, such as olive oil and fish. It's also important to limit your intake of salt, sugar, and unhealthy fats.

  • Engage in regular exercise: aim for a minimum of 50-60 minutes of moderate activity weekly to enhance heart strength and boost blood circulation.

  • Achieving and maintaining a healthy weight is essential, as it alleviates pressure on the heart and diminishes the likelihood of associated health issues.

  • Avoid smoking: stopping cigarette smoking and steering clear of secondhand smoke greatly enhances heart health.

  • Moderate alcohol consumption, as well as drinking too much, can increase blood pressure and elevate heart-related risks.

  • Effectively handle stress by incorporating relaxation techniques like exercise, mindfulness practices, or seeking social support.

  • Schedule regular checkups: consistent health visits can uncover hidden risks at an early stage.

  • Manage your blood pressure, cholesterol, and blood sugar by collaborating with your doctor to maintain these levels within a healthy range.

To Wrap Up

The differences between heart attacks and cardiac arrests represent critical medical emergencies, and being aware of warning signs can significantly impact survival outcomes. Although adopting heart-healthy habits and seeking timely medical care can significantly lower risks, it is important to recognise that emergencies may still arise unexpectedly. Effective outcomes interconnect and require prevention, early action, and preparedness. Taking daily steps to care for your heart and obtaining life insurance provides a dual benefit: it protects your health and offers financial security for your loved ones during critical times.

FAQs

  • What are the types of cardiac arrests?

    A cardiac arrest diagnosis is based on ECG heart activity. There are four primary types:
    1. Ventricular Fibrillation (VF),
    2. Pulseless Ventricular Tachycardia (pVT)
    3. Pulseless Electrical Activity (PEA)
    4. Asystole
  • Heart attack vs cardiac arrest: Which is more dangerous?

    Cardiac arrest is more dangerous than a heart attack because the heart stops beating, causing death within minutes without CPR and defibrillation. A heart attack is a circulation problem that blocks blood flow, giving you more time but still requiring urgent treatment to prevent heart muscle death.
  • What are some symptoms of a silent heart attack?

    Silent heart attack symptoms include unusual weariness, shortness of breath, indigestion or nausea, jaw, neck, or back pain, dizziness, and an overall sense of being sick or upper body muscular tension.

Premium By Age

˜The insurers/plans mentioned are arranged in order of highest to lowest Sum Assured(SA) offered by Policybazaar’s insurer partners offering term insurance plans on our platform, as per ‘first year premium of life insurers as at 31.03.2025 report’ published by IRDAI.

Policybazaar does not endorse, rate or recommend any particular insurer or insurance product offered by any insurer. For complete list of insurers in India refer to the IRDAI website www.irdai.gov.in

Rs. 400/month is starting price for a 1 crore term life insurance for an 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age, rounded off to nearest 10.

Rs. 400/month (Rs.13/day) is starting price for a 1 crore term life insurance for an 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age.

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+Rs. 12/day is starting price for a 75 lakhs term life insurance for an 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age, rounded off to nearest 10.

+Rs. 497/month is starting price for a 1.5 crore term life insurance for an 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age.

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+Rs. 1,267/month is starting price for a 7 crore term life insurance for an 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age.

*The full refund of premium is available on availing the one-time option of refund of premium. Total premium paid for policy (paid for add-ons) will be the special exit value, payable on availing the one-time option of refund of premium if you wish to completely exit the policy.

+Rs. 447/month is starting price for a 1 crore term life insurance for an (NRI) 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age.

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+Rs. 1,924month is starting price for a 7 crore term life insurance for an (NRI) 18 year-old male, non-smoker, with no pre-existing diseases, cover upto 30 years of age.

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+Rs. 400/month is Starting price for a 1 crore term life insurance for an 18 year-old Female, non-smoker, with no pre-existing diseases, cover upto 30 years of age, rounded off to nearest 10.

Rs. 461/month is the starting price for a 1 crore term life insurance for an 24 year-old female, non-smoker, with no pre-existing diseases, cover upto 54 years of age.

1,642/month is the starting price for a 1 crore term life insurance for an 44 year-old female, non-smoker, with no pre-existing diseases, cover upto 74 years of age.

Prices offered by the insurer are as per the approved insurance plans | #All savings and online discounts are provided by insurers as per IRDAI approved insurance plans | Standard Terms and Conditions Apply | **Tax Benefits are subject to changes in tax laws.| Policybazaar Insurance Brokers Private Limited

We will respond in the first instance within 30 minutes of the customers contacting us. 30-minute claim support service is for the purpose of giving reasonable assistance to the policyholder in pursuance of the claim. Settlement of claim (including cashless claim) is the responsibility of the insurer as per policy terms and conditions. The 30-minute claim support is subject to our operations not being impacted by a system failure or force majeure event or for reasons beyond our control. For further details, 24x7 Claims Support Helpline can be reached out at 1800-258-5881

For more details on risk factors, terms and conditions, please read the sales brochure carefully before concluding a sale

Policybazaar Insurance Brokers Private Limited | CIN: U74999HR2014PTC053454 | Registered Office - Plot No.119, Sector - 44, Gurgaon, Haryana – 122001 | Registration No. 742, Valid till 09/06/2027, License category- Composite Broker Visitors are hereby informed that their information submitted on the website may be shared with insurers. Product information is authentic and solely based on the information received from the insurers.

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