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Cardiac Arrest vs. Heart Attack: What’s the Difference?


Cardiac emergencies can be life-threatening, and terms like "cardiac arrest" and "heart attack" are often used interchangeably. However, they are not the same. Understanding the difference can be life-saving, whether for yourself or someone around you.

Cardiac Arrest vs Heart Attack: A Quick Overview

Condition Cause Symptoms Emergency Response
Heart Attack (Myocardial Infarction) Blockage in blood flow to the heart Chest pain, shortness of breath, nausea Call emergency services, keep the person calm, administer aspirin if recommended
Cardiac Arrest Electrical malfunction causing the heart to stop Sudden collapse, no pulse, no breathing Perform CPR immediately, use an AED if available, call for help

Understanding a Heart Attack



A heart attack happens when a blocked artery prevents blood from reaching a section of the heart. If the blockage isn’t cleared quickly, that part of the heart muscle starts to die.

Symptoms of a Heart Attack:

  • Chest pain or discomfort (pressure, tightness, squeezing)
  • Pain in arms, back, neck, jaw, or stomach
  • Shortness of breath
  • Cold sweats, nausea, dizziness

🔍 Related: Early Signs of Heart Disease You Shouldn’t Ignore

Understanding Cardiac Arrest



A cardiac arrest is a sudden electrical malfunction that causes the heart to stop beating unexpectedly. Without immediate medical attention, death can occur within minutes.

Symptoms of Cardiac Arrest:

  • Sudden collapse
  • No pulse
  • No breathing
  • Loss of consciousness

What to Do During a Cardiac Arrest?

🚨 Act FAST! Every second counts.

  1. Call for emergency help immediately.
  2. Perform CPR – Push hard and fast in the center of the chest.
  3. Use an Automated External Defibrillator (AED) if available.

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Key Differences Between Heart Attack & Cardiac Arrest

  • A heart attack is a circulation problem, whereas cardiac arrest is an electrical issue.
  • A person having a heart attack is usually conscious and may still breathe, but a cardiac arrest victim collapses and becomes unresponsive.
  • Heart attacks can lead to cardiac arrest, but not all heart attacks cause cardiac arrest.

Prevention: Keeping Your Heart Healthy


  • Eat a heart-healthy diet (low in saturated fats and high in fiber).
  • Exercise regularly (at least 30 minutes a day).
  • Manage stress levels (meditation, yoga, or breathing exercises).
  • Avoid smoking & limit alcohol.
  • Get regular heart check-ups to detect risks early.

📍 At अर्वाचीन हॉस्पिटल, we provide comprehensive cardiac care, including advanced diagnostics, emergency treatment, and preventive heart check-ups. If you experience symptoms or have a family history of heart disease, consult our expert cardiologists today.

📞 Book an Appointment: Best Hospital in Varanasi Arvachin Hospital

Final Thoughts

Both cardiac arrest and heart attack are serious conditions, but recognizing the difference can save lives. Be prepared, stay aware, and take proactive steps to keep your heart healthy.

💡 Frequently Asked Questions

Q: Can a heart attack cause cardiac arrest?
A: Yes, a severe heart attack can trigger a cardiac arrest.

Q: Can a person survive cardiac arrest?
A: Yes, but only with immediate CPR and defibrillation.

Q: How can I tell if I’m having a heart attack?
A: Chest pain, shortness of breath, and nausea are common signs. Seek medical help immediately.

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