Studies show that sudden cardiac death (SCD) occurs in approximately 1 in 1,000 people each year worldwide, resulting in 4 to 5 million cases per year. The risk of SCD is known to vary by region, with the highest rates reported in developed countries such as the United States and Europe. Sudden death from all causes accounts for about 13% of all cases, with 88% of these due to SCD. The prevalence of SCD is also influenced by age, with the elderly having a higher risk of SCD. In addition, people with heart disease such as coronary heart disease and hypertrophic cardiomyopathy are also at increased risk of SCD. In this article, we will discuss the etiology of SCD, risk factors, and preventive measures.
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