The answer depends on where you're writing it, and on state regulations and your board certification. Since cardiology isn't a board certification for NPs, but a practice area, I would suggest writing NP, Cardiology. Check with ANCC or AANP and with your state Board of Nursing for information specific to your situation. (Some nurses in our state have been required to change their business cards, etc., due to regulatory requirements about the use of the title.)
There is no abbreviation. You have to write it in full.
It's four letters, it needs no abbreviation. Write it.
Yes, nurse practitioners can write prescriptions in California.
It's four letters, it needs no abbreviation. Write it.
Nurse practitioners can write prescriptions for patients with Medicare.
appre
Do you mean what is the abbreviation for millimeter? Because that is "mm". When you write units in fractions, you will probably want to use the abbreviation.
Yes, sig is an abbreviation for signa, which means "write."
abbreviation
The two letter abbreviation is MTOr, you could also write MONT.
You write "Herr" (write out in full, not an abbreviation).Herr
간호사