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What is the most common cause of sudden cardiac death?
ventricular fibrillation coronary artery disease hypertrophic cardiomyopathy
Questioner：Emily Turner 2018-04-06 10:03:24
The most authoritative answer in 2024
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Ava Martinez——Studied at Harvard University, Lives in Cambridge, MA
As a medical professional with expertise in cardiology, I can tell you that the most common cause of sudden cardiac death is ventricular fibrillation. Ventricular fibrillation is a condition where the heart's lower chambers (ventricles) quiver chaotically instead of pumping blood effectively. This rapid and erratic heart rhythm can lead to death within minutes if not treated promptly.
Sudden cardiac death can also be caused by other factors such as coronary artery disease, which can lead to a heart attack and sudden death if a major artery becomes blocked. Other causes include hypertrophic cardiomyopathy, long Q-T syndrome, commotio cordis, and electrical disturbances in the heart.
It's important to note that sudden cardiac death is often unexpected and can affect individuals with or without known heart disease. Early recognition and intervention are critical for survival.
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Lucas Patel——Works at the International Development Association, Lives in Washington, D.C., USA.
What causes sudden cardiac death? Most sudden cardiac deaths are caused by abnormal heart rhythms called arrhythmias. The most common life-threatening arrhythmia is ventricular fibrillation, which is an erratic, disorganized firing of impulses from the ventricles (the heart's lower chambers).read more >>
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