Chapter 12 - Positions Flashcards
If esophagogram and upper GI are both scheduled, preparation for ______ takes precedence
Upper GI
For an esophagogram, clothing should be removed from where
Mouth and waist
First part of esophagogram involves fluoroscopy with a _________ contrast medium
Positive
What is the patient prep for an UGI
NPO for 8 hours
No smoking or chewing gum
Peds patient preparation for UGI
Younger than 1 - NPO for 4 hours
Older than 1 - NPO for 6 hours
Barium prep for children
Newborn to 1: 2-4 oz
1 to 3 years old: 4-6 oz
3 to 10 years old: 6-12 oz
10+ years: 12-16 oz
SID for RAO Esophagography
40” if supine
72” erect
Patient rotation for RAO Esophagography
35 to 40 degrees
CR for RAO Esophagography
T6
When to take image for RAO Esophagography (thick vs thin barium)
Thick - immediately after the last bolus is swallowed
Thin - made after 3-4 swallows
Should exposure time be short or long when using thin barium for an RAO esophagography
As short as possible
SID for lateral Esophagography
40” if supine
72” if erect
CR for lateral Esophagography
T6
SID for AP/PA Esophagography
40” if supine
72” if erect
CR for AP/PA Esophagography
To MSP, T5-T6
What hand holds cup for AP/PA Esophagography
Right
Breathing instructions for AP/PA Esophagography
Expose on expiration
SID for UGI RAO
40”
Patient rotation for UGI RAO
40-70 degrees
Sthenic: 45-55
Asthenic: 40
Hypersthenic: 70
CR for RAO UGI - Sthenic body type
L1 - midway between spine and upside lateral border of abdomen
CR for RAO UGI - Asthenic body type
2” below L1
CR for RAO UGI - Hypersthenic body type
2” above L1 and nearer to the midline
Breathing technique for RAO UGI
Expiration
IR size for RAO UGI
10x12 LW
SID for PA UGI
40”
IR size for PA UGI
10x12 LW or 14x17 LW if small bowel is included
CR for PA UGI - Sthentic
L1 and 1” left of spine
CR for PA UGI - Asthenic
2” below L1
CR for PA UGI - Hypersthentic
2” above L1 and nearer to midline
Breathing instructions for PA UGI
Expiration
What body type is a PA Axial view used for
Hypersthenic
What angle is used for PA Axial
35-45 cephalic
What angle is used for PA Axial on infants
20-25 cephalic to open body and pylorus of the stomach
SID for right lateral UGI
40”
IR size for lateral UGI
10x12 LW
CR for lateral UGI - sthenic
L1 and 1” anterior to midcoronal plane
CR for lateral UGI - hypersthenic
2” above L1
CR for lateral UGI - asthenic
2” below L1
Where is the stomach located in the lateral position compared to PA or oblique
1 vertebra higher
SID for LPO UGI
40” LW
IR Size for LPO UGI
10x12 LW
Patient rotation for LPO UGI
30 to 60 degrees
Sthenic - 45
Hypersthentic - 60
Asthenic - 30
CR for LPO UGI - sthenic
L1, midway between midline and left lateral margin of abdomen
CR for LPO UGI - hypersthenic
2” above L1
CR for LPO UGI - asthenic
2” below L1 and nearer to midline
SID for AP UGI
40”
IR size for AP UGI
14x17 LW
CR for AP UGI - sthenic
L1
CR for AP UGI - hypersthenic
2” above L1
CR for AP UGI - asthenic
2” below L1 and nearer to midline
What position may be necessary to fill the fundus on a thin asthenic patient
AP - partial trendelenburg
What is shown on a full trendelenburg angulation
Hiatal hernia