There are multiple definitions:

1. small round virus(English)

   • PEMS
   • Virology, Veterinary medicine
   • https://doi.org…390/ani11072063

2. systemic right ventricle(English)

   • commonly encountered in congenital heart disease representing a distinctly different model in terms of its anatomic spectrum, adaptation, clinical phenotype, and variable, but overall guarded prognosis. The most common clinical scenarios where an SRV is encountered are complete transposition of the great arteries with previous atrial switch repair, congenitally corrected transposition of the great arteries, double inlet right ventricle mostly with previous Fontan palliation, and hypoplastic left heart syndrome palliated with the Norwood-Fontan protocol. Also denoted as sRV
   • ACHD, CRT, CSP, FAC, ICD, LV, LVESD, RV, TGA
   • Cardiology, Pathology, Congenital disorders, Anatomy
   • https://doi.org…3/ehjci/jead173
   • https://doi.org…jnl-2025-326384
   • https://doi.org…naha.117.031544