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Almost half of sudden cardiac deaths linked to prior silent MI

Key clinical point: Prior silent MIs were detected in nearly half of sudden cardiac deaths in persons with no CAD.

Major finding: In SCD autopsies, 42.4% of persons with no prior CAD diagnosis had myocardial scars indicating a silent MI.

Study details: A case-control study of nearly 6,000 SCDs in Northern Finland during 1998-2017.

Disclosures: This study was funded by several Finnish research foundations. One author reported grants from Abbot Medical Finland and personal fees from pharmaceutical companies. No other disclosures were reported.


JAMA Cardiol. 2019 Jul 10; doi: 10.1001/jamacardio.2019.2210