There are multiple definitions:

1. polymyalgia rheumatica(English)

   • AAION
   • Rheumatology, Musculoskeletal system, Pain

2. papillary muscle rupture(English)

   • following STEMI estimated to occur in 0.05 to 0.26% of patients
   • STEMI, FWR, VSR
   • Cardiology
   • https://doi.org…ardio.2020.3690

3. perinatal mortality rate(English)

   • an important indicator of the quality of obstetric care during pregnancy. Perinatal mortality includes deaths that occur due to obstetric events, stillbirths and early neonatal mortality occurring within seven days after birth
   • ENM, PNMR
   • Neonatal situation, Pregnancy, Obstetrics
   • https://doi.org….1038/srep46681

4. partial metabolic response(English)

   • PET-CT, CMR, EORTC
   • Oncology, Medical imaging
   • https://doi.org…759/cureus.5422

5. percentage of methylated reference(English)

   • DCC, DMHR, ER-alpha, ERT, MBC, PcGT
   • Epigenetics
   • https://doi.org…al.pone.0002656

6. plasma membrane repair(English)

   • as target for treating metastatic cancers
   • PM
   • Membranes, Calcium, Oncology
   • https://doi.org…101.2014.995495

7. pseudo-polymyalgia rheumatica(English)

   • features such as early morning stiffness and bilateral shoulder pain
   • ESR, EULAR, HH, MCP, NSAID, OA, PLM, PMR, VAS
   • Rheumatology, Myocyte / muscle, Pain, Shoulder and other joints, Calcium
   • https://doi.org…7/oarrr.s389664