Sudden cardiac arrest is not a heart attack (myocardial infarction). Learn more about sudden cardiac death, symptoms, causes, risk factors, treatment and prevention measures – Cleveland Clinic’s Heart and Vascular Institute specializes in heart care for patients facing all manner of valvular and vascular heart issues as well as other heart disorders.
https://my.clevelandclinic.org/health/diseases/17522-sudden-cardiac-death-sudden-cardiac-arrest