There are multiple definitions:

1. huisartsenpost(Dutch)

   • ANW, SEH, UHP, HDS
   • Family physician

2. hepatic artery pseudo-aneurysm(English)

   • a rare but dangerous complication of both acute surgical and chronic injury to the hepatic artery. However, early diagnosis and intervention can result in an excellent long-term outcome. When not associated with OLT pseudo-aneurysm can be preceded by blunt abdominal trauma, liver biopsy, pancreatic pseudocyst, or polyarteritis nodosa. Patients can be treated by ligation, and those with post-OLT HAP undergo resection and replacement with saphenous bypass grafts
   • OLT
   • Liver disease, Vascular disease
   • https://doi.org…0595-005-2987-6

3. hospital-acquired pneumonia(English)

   • defined as pneumonia that develops within 48 hours or more of hospital admission and which was not developing at the time of admission; aka NP
   • ICU, NP
   • Pulmonology, Infection, Hospital
   • https://doi.org…200407000-00005

4. hepatoma arterial embolization prognostic [score](English)

   • the most discriminant prognostic score which may facilitate stratification in trials and inform clinical decision making
   • AFP, HCC, OS, SAP
   • Liver disease, Prognosis, Scoring systems/scales, Oncology, Decision making
   • https://doi.org…jca.2017.08.036

5. hepatic artery perfusion(English)

   • ADC, BV, BF, DWI, MRI
   • Anatomy, Hepatology, Vascular disease
   • https://doi.org…55/2022/2771869

6. hydroxyapatite(English)

   • currently used for bone repair and bone regeneration in the form of granules, blocks and scaffolds. Also as HA
   • nHA, HA, PEC
   • Skeleton and bone (formation)
   • https://doi.org…rfb.2011.12.022

7. hypoxia activated prodrug(English)

   • e.g. evofosfamide and tirapazamine
   • HPTK, MCTS, HIF-1α, HNC, HNSCC
   • Oncology, Pharmacology / pharmaceutics
   • https://doi.org…asd.2021.10.008