Sunny Priyan
A heart attack is caused by reduced blood flow to the heart, but cardiac arrest happens when the heart abruptly stops functioning.
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Heart attacks may cause chest pressure, difficulty breathing, or queasiness. Cardiac arrest strikes quickly, causing a person to faint and stop responding.
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During a heart attack, a person is often conscious and alert. With cardiac arrest, they lose consciousness almost instantly.
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While both require urgent attention, cardiac arrest is instantly fatal without prompt CPR and defibrillation.
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Heart attacks often involve procedures like stenting or surgery, while cardiac arrest requires urgent CPR and, if needed, a defibrillator to restart the heart.
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A heart attack may trigger cardiac arrest, but they are separate events requiring different interventions.
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