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Merrills Ch 10 pt 2
Thoracic Viscera- pt 2 of 2
Question | Answer |
---|---|
For PA chest, what IR is used? For hypersthenic patients? | 35 x 43 cm (14" x 17") ↕; ↔ for hypersthenic patient |
What is the SID for a PA chest? | 72" (183 cm) |
Preferred patient position for PA chest | upright |
Location of IR for PA chest | Top of IR 1½- 2" (3.8- 5cm) ↑ shoulders |
Area of interest of PA chest | thoracic viscera |
plane centered to midline of IR for PA chest | midsagittal |
For PA chest, positioning maneuver that prevents superimposition of scapulae over lungs | Patient's arms flexed & posterior hands low on the hips |
For PA chest, positioning of shoulders below apices | depress & rotate |
Respiration for PA chest | Suspend upon 2nd full inspiration |
CR for PA chest | ⊥ to center of IR @ T7 |
For lateral chest, what IR is used? | 35 x 43 cm (14" x 17") ↕ |
What is the SID for a lateral chest? | 72" SID (183 cm) |
Ⓡ lateral chest radiograph best demonstrates | Ⓡ lung |
Ⓛ lateral chest radiograph best demonstrates | ♡ & Ⓛ lung |
For lateral chest, body plane ‖ to IR | midsagittal |
For lateral chest, body plane ⊥ & CTR to IR | midcoronal |
Location of IR for lateral chest | Top of IR 1½- 2" (3.8- 5cm) ↑ shoulders |
Respiration for lateral chest | Suspend upon 2nd full inspiration |
CR for lateral chest | ⊥ to center of IR @ T7 |
lateral chest position used to demonstrate: | ♡, aorta & Ⓛ-sided pulmonary lesions |
What is the SID for a PA oblique chest? | 72" SID (183 cm) |
Location of IR for PA oblique chest | Top of IR 1½- 2" (3.8- 5cm) ↑ C7 |
Area of interest for PA oblique chest | side AWAY from IR |
Patient position for PA oblique chest | standing or seated upright |
Body rotation for PA oblique chest, RAO | 45° ∠ |
Body rotation for PA oblique chest, LAO | 45° ∠ |
Body rotation for PA oblique chest, cardiac series | 55- 60° ∠ |
Respiration for PA oblique chest, LAO | Suspend upon 2nd full inspiration |
Respiration for PA oblique chest, RAO | Suspend upon 2nd full inspiration |
CR for PA oblique chest, LAO | ⊥ to center of IR @ T7 |
CR for PA oblique chest, RAO | ⊥ to center of IR @ T7 |
Position of PA oblique chest that best images Ⓛ atrium, anterior portion of apex of Ⓛ ventricle, and Ⓡ retrocardiac space | RAO |
Position of PA oblique chest that demonstrates maximum area of Ⓡ lung field | LAO |
Position of PA oblique chest that demonstrates maximum area of Ⓛ lung field | RAO |
Body rotation for PA oblique chest, pulmonary study | 10- 20° ∠ from RAO or LAO |
True or false? For PA oblique chest, only the RAO position is routinely used during cardiac studies with barium. | False; both RAO & LAO are used |
True of false? For AP chest & AP oblique chest, RPO/LPO positions: these projections are used alternatively or supplementary to prone positions. | True |
Area of interest for AP oblique chest | side closest to IR |
For PA oblique chest, what IR is used? | 35 x 43 cm (14" x 17") ↕ |
For AP oblique chest, what IR is used? | 35 x 43 cm (14" x 17") ↕ |
Patient position for lateral chest | upright, seated or standing |
What is the SID for an AP oblique chest? | 72" SID (183 cm) |
Patient position for AP oblique chest | supine, upright or recumbent |
Location of IR for AP oblique chest | Top of IR 1½- 2" (3.8- 5cm) ↑ C7 or 5" (12.7 cm) ↑ jugular notch |
Body rotation for AP oblique chest, RPO | 45° ∠ |
Body rotation for AP oblique chest, LPO | 45° ∠ |
Respiration for AP oblique chest, RPO | Suspend upon 2nd full inspiration |
Respiration for AP oblique chest, LPO | Suspend upon 2nd full inspiration |
CR for AP oblique chest, RPO | ⊥ to center of IR @ 3" (7.6 cm) ↓ jugular notch (exit @ T7) |
CR for AP oblique chest, LPO | ⊥ to center of IR @ 3" (7.6 cm) ↓ jugular notch (exit @ T7) |
Position of AP oblique chest that demonstrates maximum area of Ⓛ lung | LPO |
Position of AP oblique chest that demonstrates maximum area of Ⓡ lung | RPO |
What is the SID for an AP chest? | 72" (183 cm) or 60" (150 cm) |
For AP chest, what IR is used? | 35 x 43 cm (14" x 17") ↕ |
Patient position for AP chest | supine or upright |
Location of IR for AP chest | Top of IR 1½- 2" (3.8- 5cm) ↑ shoulders |
CR for AP chest | ⊥ to sternum & center of IR @ 3" (7.6 cm) ↓ jugular notch |
Respiration for AP chest | Suspend upon 2nd full inspiration |
When is the CR of an AP chest NOT ⊥? | When freeing basal portion of lung fields from superimposition; CR 30° caudal |
What are the positions for an AP axial chest? | Lordotic or oblique lordotic LPO/RPO |
What is an AP axial & AP axial oblique chest also referred to as? | Lindblom method |
For AP axial chest (Lindblom method) what IR is used? | 35 x 43 cm (14" x 17") ↕ |
Patient position for AP axial & AP axial oblique chest (Lindblom method) | upright 1 ft in front of vertical bucky & leaned backward in extreme lordosis |
Location of IR for AP axial & AP axial oblique chest (Lindblom method) | Top of IR 3" (7.6 cm) ↑ shoulders |
CR for AP axial & AP axial oblique chest (Lindblom method) | ⊥ to center of IR @ level of midsternum |
Respiration for AP axial & AP axial oblique chest (Lindblom method) | Suspend upon 2nd full inspiration |
Body rotation for AP axial oblique chest, LPO lordotic (Lindblom method) | 30° ∠ |
Body rotation for AP axial oblique chest, RPO lordotic (Lindblom method) | 30° ∠ |
For AP axial chest, lordotic position (Lindblom method) body plane ⊥ & CTR to IR | midsagittal |
Area of interest of AP axial chest, lordotic & oblique lordotic positions (Lindblom method) | pulmonary apices & apex of affected side lung |
What is the SID for an AP or PA, lateral decubitus chest? | 72" (183 cm) |
For AP or PA, lateral decubitus chest, what IR is used? | 35 x 43 cm (14" x 17") ↕ |
Patient position for AP or PA, lateral decubitus chest | lateral decubitus; lying on affected side for fluid or on unaffected side for free air |
Location of IR for AP or PA, lateral decubitus chest | Top of IR 1½- 2" (3.8- 5cm) ↑ shoulders |
CR for AP, lateral decubitus chest | Horizontal & ⊥ to center of IR @ 3" (7.6 cm) ↓ jugular notch |
CR for PA, lateral decubitus chest | Horizontal & ⊥ to center of IR @ T7 |
Respiration for AP or PA, lateral decubitus chest | Suspend upon 2nd full inspiration |