Table 1 Exposure factors for standard and mammographic systems
  Standard film-screen combination
kV (mAs)
Mammographic film-screen combination
kV (mAs)
Ankle AP 48 (5.0) AP 70 (3.6)
LAT 48 (4.5) LAT 70 (3.4)
Foot AP 44 (3.2) AP 66 (3.4)
OBL 44 (3.6) OBL 70 (3.4)
Wrist AP 44 (3.2) AP 66 (3.4)
LAT 44 (3.6) LAT 70 (3.4)
Hand AP 42 (2.5) AP 63 (2.5)
OBL 44 (2.8) OBL 63 (2.8)

[ Close this window ]