1PP of PA PROJECTION: CHEST (AMBULATORY PATIENT)
PP: Px erect, Hand on lower hips, Palms out, Elbows partially flexed.
2CR of PA PROJECTION: CHEST (AMBULATORY PATIENT)
CR: Perp. to IR & centerd to midsagittal plane at level of T7
3Part Posi of PA PROJECTION: CHEST (AMBULATORY PATIENT)
Part posi: Align midsagittal plane with CR w/ Midline of IR. , Ensure no rotation of thorax by placing the midcoronal plane to the IR
4Anatomy demonstrated of PA PROJECTION: CHEST (AMBULATORY PATIENT)em
Anatomy demonstrated: Included are both lungs from apices, Hilum region markings, heart, great vessels, and bony thorax are demonstrated
5PP of PA PROJECTION (CHEST ON STRETCHER IF PX CANNOT STAND)
PP: Px erect, seated on cart, arms around cassette unless a chest IR device is used.
6CR of PA PROJECTION (CHEST ON STRETCHER IF PX CANNOT STAND)
CR: Perp. to the IR and centered to the midsagittal plane at the level of T7, Cassette centered level of CR
7Part Posi of PA PROJECTION (CHEST ON STRETCHER IF PX CANNOT STAND)
Part posi: Shoulder rotated fw and dw. ensure no rotation of thorax
8Recommended collimation of PA PROJECTION (CHEST ON STRETCHER IF PX CANNOT STAND)
Recommended collimation : Collimate to area of lung fields, upper border of illuminated field should be level of T7
9Clinical Indication of LATERAL POSITION: CHEST AMBULATORY PX
A 90* perspective from PA projection may demonstrate pathology situated posterior to the heart, great vessels and sternum
10PP of LATERAL POSITION: CHEST AMBULATORY PX
PP : Px erect, left side against IR unless px complaint. Arms raised above head, chin up
11Part posi of LATERAL POSITION: CHEST AMBULATORY PX
Part posi: Center Px to CR and IR anteriorly and posteriorly , Position in true lateral position
12CR of LATERAL POSITION: CHEST AMBULATORY PX
CR: Perp. directed to midthorax at level of T7 (3 to 4 inches)
13Anatomy demonstrated of LATERAL POSITION: CHEST AMBULATORY PX
Included are the entire lungs from apices to the costophrenic angles and from the sternum anteriorly to the posterior ribs and thorax posteriorly
14PP of LATERAL POSITION CHEST w/ CART
PP : Px seated on cart; Legs over the edge if this easier for px, Arms crossed above head or hold on to arm support, Chin extended upward
15PP of LATERAL POSITION CHEST W/ WHEELCHAIR
PP : Remove armrest, if possile, or place pillow or other support, Turn px in wheelchair to lateral position as close to IR as possible. Have px lean forward and place support blocks behind back; Raise arms above head and have px hold on to support bar-keeping arms high
16PART POSI OF LATERAL CHEST: W/ WHEELCHAIR OR CART
Center px to CR and IR by checking anterior and posterior aspect of thorax; adjust CR and IR to level of T7
17CR OF LATERAL CHEST: W/ WHEELCHAIR OR CART
CR Perp. directed to level of T7 (3 to 4 inches below level of jugular notch. Top of IR about 1 inch above vertebra prominens
18Clinical indication of AP PROJECTION CHEST (supine or semierect)
Demonstrate pathology involving the lungs, diaphragm and mediastinum
Determining air-fluid levels requires a completely erect position w/ a horizontal CR.
19PP OF AP PROJECTION CHEST (supine or semierect)
PP : Px is supine on cart; if possible the head end of the cart or bed should be raised into a semierect position. Roll px shoulders forward by rotating arms medially or internally
20
Part posi of AP PROJECTION CHEST (supine or semierect)
Place IR under or behind px; align center of IR to CR, Center px to CR and to IR check by viewing px
21CR of AP PROJECTION CHEST (supine or semierect)
Angled caudad to be perpendicular to long axis of sternum. CR to level of T7 3 to 4 inches
22Recommended Collimaton of AP PROJECTION CHEST (supine or semierect)
Collimate on four side to area of lung fields (top border of light field to level vertebra prominens
23Clinical indication of LATERAL DECUBITUS POSITION (AP PROJECTION) CHEST
Small pleural effusions are demonstrated by air-fluid levels in pleural space.
24PP of LATERAL DECUBITUS POSITION (AP PROJECTION) CHEST
PP : Cardiac board on the cart or radiolucent pad under px , Px lying on right side for right lateral decubitus and on left side for left lateral decubitus
25Part posi of LATERAL DECUBITUS POSITION (AP PROJECTION) CHEST
Adjust height of IR to center thorax to IR, Adjaust px and cart to center midsagittal plane and T7, 3 to 4" inferior to level of jugular notch.
26Recommended collimation of LATERAL DECUBITUS POSITION (AP PROJECTION) CHEST
Collimate on four sides to area of lung fields
27Anatomy demonstrated of LATERAL DECUBITUS POSITION (AP PROJECTION) CHEST
Entire lungs, Including apices, both costophrenic angles, and both lateral borders of ribs should be included
28Clinical indication of AP LORDOTIC PROJECTION: CHEST
Rule out calcification and masses beneath the clavicles
29PP of AP LORDOTIC PROJECTION: CHEST
Px standing 1 foot away from iR and leaning back w/ shoulders, neck and back of head against IR. Both px hands on hips, palms out; shoulders rolled forward
30CR of AP LORDOTIC PROJECTION: CHEST
Perp. to IR, centered to midsternum (3 to 4" (9cm) below jugular notch
31Recommended Collimation of AP LORDOTIC PROJECTION: CHEST
Collimate on four sides to area of lung fields (top of border light filed to level of vertebra prominens)
32Anatomy of AP LORDOTIC PROJECTION: CHEST
Entire lung fields and clavicles should be included
33CLINICAL INDICATIONS of Anterior oblique positions- RAO and LAO: CHEST
Investigate pathology involving the lung fields, trachea, and mediastinal structure. Determine the size and contours of the heart and great vessels.
34PP of Anterior oblique positions- RAO and LAO: CHEST
Px erect, rotated 45* w/ left anterior shoulder against IR for LAO and 45* w/ right anterior shoulder against IR for RAO, Px arm flexed nearest IR and hand placed on hip, palm out
35Part posi of Anterior oblique positions- RAO and LAO: CHEST
As viewed from the x-ray tube, center the px to CR and to IR with top of IR about 1" above vertebra prominens
36CR of Anterior oblique positions- RAO and LAO: CHEST
Perp. to lvl of T7 (7 to 8"(8-10cm) below level of vertebra. Collimate on four side to area of lung fields
37Anatomy Demonstrated of Anterior oblique positions- RAO and LAO: CHEST
Both lungs from the apices to the costophrenic angles should be included. Air-filled trachea, great vessels and heart outlines are best visualized w/ 60* LAO position
38Clinical indication of Posterior Oblique position - RPO and LPO: chest
Investigate pathology involving the lung fields, trachea, and mediastinal structures. Determine the size and contours of the heart and great vessels
39PP of Posterior Oblique position - RPO and LPO: chest (ERECT)
Px erect, rotated 45* w/ right posterior shoulder against IR for RPO and 45* w/ left posterior shoulder against IR for LPO
40PP of Posterior Oblique position - RPO and LPO: chest (RECUMBENT)
If Px cannot stand or sit, Take posterior obliques on table. Place supports under px head and under elevated hip and shoulder
41Part Posi of Posterior Oblique position - RPO and LPO
Top of IR and 1" above vertebra prominens or about 5" above level of jugular notch. Thorax centered to CR and to IR
42CR of Posterior Oblique position - RPO and LPO
Perp. to level of T7
43Evauation Criteria of Posterior Oblique position - RPO and LPO
Evaluation criteria are similar to criteria of anterior oblique position described earlier