Key result
Sudden cardiac death is predominantly caused by coronary artery diseases (up to 90%), with the remainder largely due to nonischemic myocardial disorders such as cardiomyopathies.
This review highlights the etiology of sudden cardiac death in medicolegal autopsies, emphasizing that while 90% are ischemic, nonischemic cardiomyopathies account for the remainder.
Supports CAD prioritization in SCD risk assessment; leaves open cardiomyopathy subtype impacts on prevention strategies.
Sudden death, a catastrophic event, falls within the purview of the forensic experts. It is often caused by cardiovascular diseases, which may be evident or occult. A vast majority of sudden cardiac deaths (to the extent of 90%) are due to ischemia of the working or conducting myocardial tissues consequent to coronary artery diseases. A heterogeneous group of nonischemic myocardial disorders, most producing structural abnormalities are responsible for the remainder; they predominantly represent various cardiomyopathies. This review, in two parts, covers sudden cardiac death in medicolegal autopsies with an approach to some common and uncommon nonischemic myocardial diseases that have a genetic and/or nongenetic basis.
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Vaideeswar et al. (2021) conducted a review in Sudden cardiac death. Sudden cardiac death is predominantly caused by coronary artery diseases (up to 90%), with the remainder largely due to nonischemic myocardial disorders such as cardiomyopathies.
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