There are multiple definitions:

1. sudden cardiac death(English)

   • can be defined as instantaneous witnessed death within 1 h of onset of symptoms, or if unwitnessed, within 12 h of being seen alive and well
   • HCM, LVH, BrS, ICC, LQTS, DCM, JLNS, SCA, SUD, TEST, VUS
   • Cardiology, Emergency medicine, Pathology
   • https://doi.org…uropace/euaa012
   • https://doi.org…acc.2022.11.036

2. subacute coronary disease(English)

   • Coronary circulation

3. surface current density(English)

   • SOBI
   • Biophysics

4. sickle cell disease(English)

   • a genetic red blood cell disorder characterized by increased reactive oxygen species (ROS) and a concordant reduction in antioxidant capacity in the endothelium. Monogenic disease with severe and potentially life-threatening manifestations
   • ACS, BT, BCL11A, BMPR2, CHD, CRISPR, CTEPH, DFO, EFS, ESRD, GDF-15, HIV, IE, IPAH, PAH, PCH, PH, POPH, PPH, PVOD, PVR, ROS, SCA, sRBC, TDT, TM, TRV, VOC
   • Erythrocyte, Pathology, Andrology, Genetics
   • https://doi.org…6/NEJMoa2031054
   • https://doi.org…9/ped.2017.0814
   • https://doi.org…acc.2009.04.012
   • https://doi.org…al.pone.0292706
   • https://doi.org…630260903346627

5. subjective cognitive decline(English)

   • AD, CSF, MCI
   • Alzheimer's disease
   • https://doi.org…3233/JAD-160176
   • https://doi.org…4422(19)30368-0

6. spinal canal diameter(English)

   • FA
   • Spine (or spinal cord), Medical imaging
   • https://doi.org…55/2022/1385387