Term
What are the 4 anterior hollow structures of the abdomen? The 5 posterior hollow structures? |
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Definition
-transverse colon, jejunum and ileum, gastric body, sigmoid -ascending/descending colon, duodenum, gastric fundus, rectum |
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Term
Where is air seen on supine abdominal radiographs?? |
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Definition
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Term
Where is air seen on prone radiographs? |
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Definition
posterior structures (this view is rarely obtained) |
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Term
Where is air seen on upright images of the abdomen? |
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Definition
the peritoneal cavity (extra peritoneal air) and air fluid levels are seen in the bowel lumen |
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Term
What 4 things should you look for when looking at a plain film of the abdomen? |
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Definition
-bowel gas pattern -free air -calcifications -soft tissue masses |
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Term
What are 5 studies that may be done for an acute abdominal series? |
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Definition
-supine view -prone view -upright view -left lateral decubitus view -PA chest radiograph |
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Term
What besides bowel gas pattern can be assessed on a supine view? This is the typical view for what two studies? |
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Definition
-calcifications and masses -renal calculi and to verify placement of orogastric/nasogastric tubes |
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Term
What is the prone view of the abd usually used for? |
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Definition
evaluating air in the ascending/descending colon. rarely obtained |
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Term
what view is best for looking at air fluid levels |
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Definition
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Term
what is the left lateral decubitus view used for? |
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Definition
assess pneumoperitoneum (free air) in patients unable to stand or sit up |
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Term
Describe the valvulae of the small bowel |
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Definition
they traverse the entire length of the bowel |
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Term
do the haustra of the large bowel traverse the entire colon diameter? |
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Definition
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Term
Does the stomach normally contain has? have air fluid levels? |
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Definition
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Term
does the small bowel normally contain has? have air fluid levels? |
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Definition
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Term
does the large bowel normally contain has? have air fluid levels? |
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Definition
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Term
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Definition
benign calcification in veins, has a lucent center, renal stones are of homogenous density |
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