Answer:
A Semi-amplitude is half the distance of the peak-to-peak amplitude.
The nurse should administer pain killers and document any relief, elevate the problem area no higher than heart level because arterial pressure has to be balanced. Also, apply cold packs and remove any bandages, tight clothing, jewelry or anything that can constrict the limb.
In those cases when there's an infection and drainage is required the nurse should give the patient instructions and try to pacify them and get them to express their concerns.
Umm. can you add a picture of it??