Jun 23, 2025
Aarushi BhaduryA heart attack is a plumbing issue—blood flow to the heart is blocked. Sudden cardiac arrest is an electrical problem—the heart suddenly stops beating due to malfunction.
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A heart attack occurs when a blocked artery cuts off blood supply to part of the heart. Without quick treatment, that section of heart muscle begins to die, causing damage.
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Symptoms can be sudden and intense or start slowly and be mild. The heart usually continues beating. Women may experience different symptoms than men. Always seek immediate help.
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Sudden cardiac arrest happens without warning when the heart's electrical system fails, causing it to stop pumping. The person immediately loses consciousness and pulse, requiring urgent help.
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These conditions are related. A heart attack can increase the risk of sudden cardiac arrest. While not all heart attacks lead to it immediately, a heart attack is a common cause when cardiac arrest occurs.
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Besides heart attacks, other heart issues can cause sudden cardiac arrest. These include weakened heart muscle, heart failure, dangerous irregular heartbeats, birth defects, and infections that disrupt rhythm.
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For either emergency, call 911 immediately. Stay calm and provide clear details about your location and the person's condition. Do not hang up until help arrives; the operator can guide you.
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If you suspect a heart attack, call emergency services right away. EMS can start treatment sooner, sometimes an hour faster than driving yourself, and are prepared if cardiac arrest occurs.
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This is a leading cause of death. You can double or triple survival chances by performing CPR. Check responsiveness, shout for help, call 911, and start chest compressions immediately.
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If an Automated External Defibrillator (AED) is available, retrieve it and use it as soon as possible. If two people are present, one should start CPR while the other focuses on getting the AED.
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