There are multiple definitions:

1. high heart expression(English)

   • embryonic heart expression genes
   • CHD, DAVID, LHE, PCGC
   • Cardiology, Congenital disorders
   • https://www.ncb…les/PMC3706629/
   • https://www.nat…467-019-12582-y

2. Hospital Healthcare Europe(English)

   • Health care industry
   • https://events.…healthcare.com/