The Sternum
Things to know Cassette 10 x 12 lengthwise Shield Marker Measures 29 Breathing technique for RAO Technique mAs Page
Positioning Patient erect Arms at side Position patient oblique about degrees to the right side. Align sternum to midline of IR Place IR or light about 1 ½ inches above jugular notch.
CR perpendicular and left to midline of spine And midway of jugular notch and xiphoid process SID 40
Collimation To sternum About 5 inches wide
Seen on Radiograph Sternum Visualized and superimposed on heart shadow. No superimposition of vertebrae
Lateral Cassette 10 x 12 lengthwise Shield Marker Measures 29 Technique mAs Hold breath on inspiration
Positioning Patient erect with side against IR Shoulder and arms drawn back Sternum align with midline of IR Place light or IR about 1 ½ inches above jugular notch. True lateral with no rotation
CR perpendicular to mid Sternum SID 60-72
Seen on Radiograph Entire sternum No imposition of arms or shoulders Minimal overlap of soft tissue No imposition of ribs
The Abdomen
Things to know AP Flat and AP Erect Cassette size 14 x 17 lengthwise Marker No shielding Measures 17 Expiration Page 109, 112
AP Erect Technique
Positioning for erect Patient is erect with back against bucky Center midline of body to midline of bucky Arms at sides IR about the level of Armpits Or center of cassette is 2 inches above crest
Collimate to skin borders if small patient SID 40
Seen on Radio graph Both diaphragms Air-filled stomach As much of lower abdomen as possible. No rotation
Flat Abdomen 14 x 17 Lengthwise Marker Measures 17 Technique mAs Expiration
Positioning Patient supine Midline align with midline of table Arms at sides Legs extended
CR perpendicular to crest SID 40 No collimation unless small
Seen on Radiograph Kidneys Bladders Air filled stomach Symphysis pubis No rotation