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What is a sudden cardiac dealth?

Sudden cardiac death (SCD) is a sudden, unexpected death caused by a change in the heart's electrical activity. It is the most common cause of death in people over 40. SCD is often caused by an arrhythmia, such as ventricular fibrillation, which is an irregular heartbeat that can lead to cardiac arrest. Other conditions that can lead to SCD include coronary artery disease, cardiomyopathy, and congenital heart defects. There are several risk factors for SCD, such as hypertension, diabetes, and smoking. Treatment for SCD includes lifestyle modifications, medications, and sometimes implantable cardiac defibrillators.