Last-Minute Formulas Flashcards
1
Q
PDD =
A
dose @ depth/dose @ dmax
2
Q
Wedge or Tray Factor =
A
dose w./
dose w.o.
3
Q
Half-life:
A
Af = (1/2)^n, n = # of half-lives
4
Q
When you add a tray or wedge, given MU?
A
Divide
5
Q
When you add a tray or wedge to a completed plan (or accidentally), given dose ( or cGy)?
A
multiply
6
Q
MU is a measure of?
A
Machine output
