There are multiple definitions:

1. sudden adult death syndrome(English)

   • an important cause of death in patients with m.3243A>G and likely to be due to widespread respiratory chain deficiency in cardiac muscle. The involvement of asymptomatic relatives highlights the importance of family tracing in patients with m.3243A>G and the need for specific cardiac arrhythmia surveillance in the management of this common genetic disease
   • CRY, SIDS, CAD, LVEF, mtDNA
   • Cardiology, Pathology, Electrophysiology, Surveillance, Mitochondrion
   • https://doi.org…urheartj/ehv306

2. Schedule for Affective Disorders and Schizophrenia(English)

   • K-SADS
   • Psychiatry, Emotional aspects, Pathology

3. sudden arrhythmic death syndrome(English)

   • genetic heart conditions that can cause sudden death in young, apparently healthy, people
   • SD, SIDS, SIUD, SIDS, VF, BrS, SCD, LQTS, WPW, CAD, LVEF, SD
   • Cardiology, Electrophysiology, Pathology, Genetics
   • https://www.sad…rg/What-is-SADS
   • https://doi.org…rtjsupp/suad077