xray technique upper limb
digits mAs
1.6 CR 0.6 DR
hand PA mAs
1.6 CR 0.71 DR
elbow proximal forearm mAs
2 CR 1.25 DR
hand oblique mAs
2.0 CR 0.8 DR
wrist PA, AP oblique mAs
2.0 CR 0.9 DR
forearm AP and lateral mAs
2.2 CR 1.25 DR
wrist lateral mAs
2.5 CR 1.1 DR
carpal canal mAs
2.5 CR 1.25 DR
hand lateral mAs
2.5 CR 1.25 DR
elbow AP and lateral mAs
2.5 CR 1.4 DR
elbow distal humeras mAs
3.2 CR 1.8 DR
humerus AP, lateral mAs
4 CR and 2 DR TT 5.6 CR and 2.8 DR with grid
digits kVp
63
Hand PA kVp
66
hand oblique kVp
66
wrist PA, AP oblique kVp
66
carpal canal kVp
70
elbow AP and lateral kVp
70
elbow distal humerus kVp
70
elbow proximal forearm kVp
70
forearm AP and lateral kVp
70
hand lateral kVp
70
wrist lateral kVp
70
humerus AP, lateral kVp
70 TT 75 grid
what does kVp show?
contrast
What does mAs show?
density
plaster large cast increase technique by:
either increase mAs 100% or 10 kVp
fiberglass cast increase technique by:
either increase mAs 25% or increase 4 kVp
plaster medium cast increase technique by:
either increase mAs 50% or increase 7 kVp