Quiz 1 Flashcards
Center most portion of an X-ray beam emitted by an X-ray tube.
Central Ray
Device that captures an image that exits a patient, also referred to as a film or digital cassette.
Image Receptor
Upright position with arms down, palms forward and the head and feet directed straight ahead.
Anatomical Position
Radiographs should be displayed so that the patient is facing the viewer in the __________ position.
Anatomical
Straight line surface that connects two points.
Plane
Right and left portions
Sagittal
Vertical plane that divides the body into anterior and posterior portions
Coronal or Frontal
transverse division.. Superior and inferior portions
horizontal
All Hand Projections:
Sid 40 inches, 10x12 Ir lengthwise, A 50-55 kvp D 55-60 kvp
Patient seated end of table, elbow flexed 90*, hand and forearm rested
Collimation of hand:
1 inch of distal forearm should be visible, 1 inch on all sides of the hand minimum
Part position: Pronate hand. Fingers spread slightly. Hand and wrist centered.
CR to third MCP joint
PA Hand
PA Hand Evaluation Criteria
No Rotation
Open MCP and IP Joints (flat on ir)
No Overlap
Anatomy distal to the radius and ulna
Part position: Pronate hand on IR, rotate hand 45*, parallel to IR
CR to third MCP joint
PA Oblique Hand
PA Oblique Hand
Minimal overlap of the 3rd-4th and 4th-5th metacarpal shafts
Slight metacarpal bases and heads
Separation of the 2nd and 3rd metacarpals
Open MCP and IP Joints
Digits separated slightly with no overlap
Part Position: Spread fingers and thumb into a “fan”, parallel to IR
Metacarpals not rotated, but true lateral
CR to second MCP Joint
Fan Lateromedial Hand
Fan Lateromedial Hand
Metacarpals superimposed
Thumb slightly oblique
Hand Wrist true lateral
radial and ulna superimposed
Part Position: Rotate hand and wrist, thumb side up, into true lateral
CR to 2nd-5th metacarpals
Lateral Hand
Lateral Hand
True lateral position
Superimposed phalanges and metacarpals
Superimposed distal radius and ulna
Digits extended