Radiation Terms Header

Glossary of Terms

ALARA (As Low As Reasonably Achievable)

Background radiation

Computed tomography (CT) scan

CTDIvol

Cumulative exposure

Cumulative risk

Dose Area Product (DAP)

Dose-Length Product (DLP)

Dose

Exposure

Gray (Gy)

Medical radiation

Microsievert (μSv)

MilliCuries (mCi)

Millirem (mrem)

Millisievert (mSv)

RAD

Radiation

Radiation safety

Rem (roentgen equivalent in man)

Sievert (Sv)

Tube potential (kV)

Tube current (mA)