There are multiple definitions:

1. World Heart Federation(English)

   • a non-governmental organization dedicated to the prevention and control of cardiovascular diseases
   • AHA, ACC, CVD, NCD, NGO, UNGA
   • Cardiology, Organizations (international)
   • https://world-h…federation.org/
   • https://world-h…-of-cardiology/
   • https://doi.org…acc.2025.01.019

2. worsening heart failure(English)

   • focus is on the clinical course of the patient with chronic, pre-existing HF. Requires intensification of treatment, generally including diuretic therapy
   • HF, HFmrEF, ED, GRMT, HSS, NYHA, WRF, AdvHF, CKD, CVP, ECMO, GDMT, HFH, HFpEF, HFrEF, LVAD, LVEF, MCS, RV
   • Cardiology, Pathology, Prognosis, Classification
   • https://doi.org…acc.2023.04.019
   • https://doi.org….1002/ejhf.2874
   • https://doi.org….1002/ejhf.3390
   • https://doi.org…1002/ehf2.15437