Tag: common radiographic errors

3 min read 4

Radiographic Technique: Vertical Angle

What is vertical angle? Vertical angle refers to the position the Position Indicating Device (PID or cone) is along the coronal and/or sagittal planes.    A zero degree vertical angle is when the PID is positioned parallel with the axial plane.  A positive vertical angle is when the source of radiation…
3 min read 3

Radiographic Technique: Horizontal Angle

What is horizontal angle? Horizontal angle refers to the position the Position Indicating Device (PID or cone) is along the axial plane.    Horizontal angle can be increased or decreased.  A zero degree horizontal angle is when the PID is positioned parallel with the sagittal plane.  Increasing horizontal angle moves it towards…