There are multiple definitions:

1. heart-beating(English)

   • NHB, DCD
   • Transplantation
   • https://pubmed.…ih.gov/7547551/

2. hygienic behavior(English)

   • e.g. establishing effective hand-washing routines and disinfection procedures
   • COVID-19, SDP
   • Public Health, Psychology, Preventive medicine
   • https://doi.org…46.2021.1960987

3. His bundle(English)

   • EP
   • Electrophysiology, Cardiology
   • https://doi.org…52356-1.00004-9

4. hot balloon(English)

   • AF, CB-PVI, HB-PVI, PV, PVA, PVI, PVS
   • Pulmonology, Electrophysiology, Therapeutic approaches
   • https://doi.org…ircj.CJ-23-0048

5. Hirano body(English)

   • eosinophilic pathological structure with two morphological phenotypes commonly found in the hippocampal CA1 region in Alzheimer's disease
   • AD, CA1, HBL, LBD, MSA, PSP, SHB
   • Alzheimer's disease, Anatomy, Brain (dys)function
   • https://doi.org….1111/nan.12978