Abdomen Flashcards
Extends from diaphragm to bony pelvis
Abdominopelvic cavity
What exposure technique is ideal for abdomen imaging?
Moderate greyscale
70-85kv
Short exposure tine
What structures should be seen in an abdomen projection with good technique?
-lower liver border
-psoas muscles
-kidneys
-ribs
-transverse processes of lumbar vertebrae
What SID is used for abdomen?
40-48”
100-120cm
T/F
Abdomen projections are taken on expiration to raise diaphragm
True
What images can be taken for bariatric patients?
- Upper abdomen (top of IR at xiphoid process)
- Lower abdomen (bottom of IR at symph)
What position is a KUB taken in?
AP supine
What projections are part of the acute abdomen series?
-AP supine
-AP/PA erect
-PA erect chest
Why might a KUB/supine abdomen be done?
-before contract injection
-recheck tube position
-evaluation of KUB
-calcifications
-constipation
What pathologies will the acute abdomen series present?
Pneumoperitoneum
(CXR)
Hiatal hernia
(CXR)
Air fluid levels
T/F
Left lateral decubitus is performed in lieu of upright if patient can not stand
True
*patient should lie on side for 5 minutes to allow air to move up
What projection should be taken first for an acute abdomen series?
Upright
What is the centering point for an AP supine abdomen?
Iliac crests, include symphysis pubis
T/F
Tall patients may require separate bladder image for supine
True
What is the centering for an AP upright abdomen?
2” above iliac crest
T/F
The 8th thoracic vertebrae should be included on an AP upright abdomen
True
T/F
PA reduces gonadal dose and should be considered when kidneys are not of primary interest
True
What lateral decubitus position is best to demonstrate free intraperitioneal air in the abdomen?
Left lateral decubitus
T/F
LLD should include 8th thoracic vertebrae
True
How do you assess rotation on an abdomen image?
-spine
-pelvis
T/F
Dorsal decubitus is used when patient can not stand or roll on their side
*can demonstrate umbilical hernia also
True
