There are multiple definitions:

1. heart failure(English)

   • distinguish diastolic and systolic types. For many patients, perhaps most, the diagnosis of heart failure is only made once symptoms and signs are severe enough to precipitate hospitalization
   • ADHF, AHF, DAG, HFNEF, HFpEF, HFrEF, HHF, PLN, RVF, SERCA, SHF, SHHF, HFuEF, HFmrEF, HFsnEF, WHF, FIND-HF, LAVI, LD, LVEF, NYHA
   • Cardiology, Diagnostics, Hospital admission
   • https://doi.org/10.1038/nrm1151
   • https://doi.org/10.1002/phy2.7
   • https://doi.org….1002/ejhf.3036
   • https://doi.org…jnl-2017-312183

2. hydrofluoric acid(English)

3. high frequency(English)

   • LF, ULF, VLF
   • Signal analysis

4. hair follicle(English)

   • AA, ADRC, AGA, EMI, ERK, FGF, FPHL, IFN, ISA, JAKi, MHC, SALT
   • Dermatology
   • https://doi.org…eth.2022.10.005
   • https://doi.org…aad.2023.05.049

5. high flow(English)

   • AS, HG, LF, LG, NF
   • Hemodynamics

6. Hageman factor [deficiency](English)

   • syndrome characterized by complete absence of any hemorrhagic tendency in the presence of laboratory findings which, as a rule, are associated with severe disturbances in the hemostatic mechanism
   • AHF, PTA, PTC
   • Hematology
   • https://doi.org…d.V11.8.745.745

7. hot flush(English)

   • paroxetine as the first non-hormonal treatment
   • CBT-I, FDA, HRT, OSA, VMS
   • Menopause, Hormone, Therapeutic approaches, Sleep medicine
   • https://doi.org…tas.2019.06.008

8. hydrolysed formula(English)

   • rHF, eHF, pHF
   • Allergy, Nutrition
   • https://doi.org…3390/nu13082762

9. high fatigue(English)

   • GAD-7, HRQoL, LF, MFIS-5, MS, PHQ-9, RRMS
   • Fatigue
   • https://doi.org…883-023-03423-z