Basic Procedures Chest X-Ray
Terms
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- PA Projection
-
Extend chin
Shoulders down and forward
Stand straight
Hands on hips with palms out - Why PA projection ?
- Keeps the heart out of the foreground. Reduces heart magnifiction
- Where should CR be centered ?
- T - 7
- Three steps of patient prep. ?
-
1. Verify patient
2. Explain procedure
3. Have patient put on a gown and remove opaque objects - SID ( Source to image) inches ?
- 72 inches
- Cassette size and position ?
- 14 X 17 (usually transverse for a man because of wider chest.
- KVp setting ?
- 110 - 120 KVp
- Top of cassette or light field should be where ?
- 1 to 2 inches above shoulders
- Breathing instructions ?
- Two deep breaths and hold - shoot on second full inspiration.
- Evaluation criteria ?
-
8 to 10 ribs
full apices (top of lungs)
full costophrenic angles (bottom)
Scapula out of lung field
Clavicles equal distance - Why upright position ?
-
1. Prevents engorgement of vessels
2. lets organs and diaphram settle
3. Allows for biiger lung expansion. - Shielding used ?
- Apron to cover gonad area.
- Left Lateral Position
-
Left side against film
Arms above head
Center CR thorax or T - 7 - Lordotic Position
- 45 degree lean backwards with shoulders on film.
- Portable CXR position ?
- Supine position
- Use Grid ?
- Yes, to clean up scatter radiation