There are multiple definitions:

1. preparedness and response unit(English)

   • CIDC
   • Emergency medicine

2. peripheral resistance unit(English)

   • MAP, SVR
   • Hemodynamics
   • https://cdn.int…emodynamics.pdf

3. P2Y12 reaction unit(English)

   • refers to thromboembolic and hemorrhagic events
   • P2Y12, CPG, PSG
   • Thrombocyte /thrombosis, Hematology
   • https://doi.org…3/neuros/nyx591

4. platelet reactivity unit(English)

   • ICA, MCA, mRS, PED, SAH
   • Vascular disease, Brain (dys)function
   • https://doi.org…017.3.FOCUS1744