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T-spine 2
T-spine from packet and positioning
| Question | Answer |
|---|---|
| Where does the diaphragm lie in hypersthenic patients? | higher in the abdomen |
| How is the diaphragm situated in hyposthenic patients? | it sits lower in the abdomen |
| Which rib is thickest? | 1st |
| Which rib is thinnest? | 12 |
| How much does a rib move with respiration? | 1 ½ inches |
| Will the ribs move more or less with respiration changes for hypersthenic patients? | less |
| Will the ribs move more or less with respiration changes for hyposthenic patients? | more |
| How should the affected rib be placed in relation to the IR? | parallel |
| What kind of technique should be used? | low kVP for a short scale of contrast |
| Which vertebrae have whole facets and where? | T1 (superior), T10-T12 (superior) |
| Which demifacets are found on T1? | inferior |
| Which vertebrae have demifacets both superiorly and inferiorly? | T2-T8 |
| Where can a demifacet be found on T9? | superiorly |
| What positioning is done for the anterior ribs? | PA |
| What is the CR entry point for ribs? | entering T7 |
| What projection is done for posterior ribs? | AP |
| Where should the IR be positioned for ribs below the diaphragm? | crosswise, BOF at the iliac crests |
| To show the right axillary ribs, what position is used? | RPO or LAO |
| To show the left axillary ribs, what position is used? | LPO or RAO |
| For AP oblique ribs, how is the affected side positioned? | “down” |
| For PA oblique ribs, how is the affected side positioned? | “away” |