| KUB Quiz |
Answer |
| What is position of central ray? | Perpendicular to the IR at the level of the iliac crests. |
| Position of patient? | Supine. Center midsagittal plane with midline of IR. |
| Position of part of interest? | Center IR at level of iliac crests, including pubic symphysis. |
| What landmark is used to center patient? | Iliac crests |
| Breathing instructions to patient? | Suspend respiration at the end of expiration. |
| Why is exposure made at the end of expiration? | So abdominal organs are not compressed. |
| Why is there a chest radiograph in this series? | To show abdominal free air that may accumulate under diaphragm. |
| What does KUB stand for? | Kidney, urethra and bladder. |
| What 3 projections make up the 3-way or acute abdomen series? | Supine KUB, Upright AP abdomen and PA chest. |
| In this series, what x-ray substitutes for the upright ab when patient can't stand? | Left lateral decubitus |
| What is the SID for supine Ab x-ray? | 40 inches |
| What size cassette is used? | 14 x 17 in (35 x 43 cm) |
| What is direction of the cassette? | Lengthwise |
| When is gonadal shielding used? | If male, 1) if within proximity of x-ray field, 2) clinical objective of exam not compromised; 3) reproductive potential |
