ch. 14 four radiographic qualities ch. 16 technique conversion & comparison

Post on 29-Mar-2015

220 Views

Category:

Documents

1 Downloads

Preview:

Click to see full reader

TRANSCRIPT

Ch. 14 Four Radiographic Qualities

Ch. 16 technique Conversion & Comparison

Four Radiographic qualitiesDensityContrast

Detaildistortion/Magnification

35% & 2x rule for MAS

Double MAS

MAS Changes

Contrast & Scale of Contrast

Detail

Assign worksheets in section IV in module

Ch. 15Exposure compensation

MASRECIPROCITY

DIRECT PROPORTION SQUARE LAW KVPGRID

DENSITY COMPENSATION FACOTRS

CollimationIntensifying Screen speed

film speed

Factors which we do not adjust, but can affect density

ProcessorPathologyPatient size (maybe we can compress?)

Contrast Compensation Factors

KVPMASCollimationOIDPatient (Do we adjust the patient?)

Factors which we do not adjust which effect Contrast

Processor

Filtration?

Film

Factors which effect Detail

SIDOIDFSSCREENFILMMOTION

Factor we do not adjust

Film/screen contact

Adjusting Magnification

SID

OID

Adjusting Distortion

Angle CR

Angle body part

End of chapter 16

top related