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13 Cards in this Set
- Front
- Back
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***Malignant neoplasm of the SI
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-uncommon, most malig neoplasm of the SI is adenocarcinoma (1% of GI cancers)
-usually no symptoms b/c they are small, it is only when they start obstructing --> wt loss -if bleeding --> anemia |
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Small bowel obstruction
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-basically a kink in a garden hose
-presents w/ extended abd, bacteria can build up--> lactic acid build up, pain, constipation, emesis (smells like feces), n/v -aspirate w/ NG tube and get CAT scan |
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***What is the MCC of SBO?
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-ADHESIONS
-other common causes are hernias |
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Tx of Small bowel obstruction
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-be aggressive b/c you can watch and wait, but if it progresses and gets worse, take out that knife
-use abx bc of the buildup of bacteria, monitor lactic acid levels bc a section may become gangrenous and die |
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What can an Xray show you for a pt w/ abd pain?
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-pneumoperitoneum (not good b/c there is a hole somewhere in GI tract)
-obstruction -ileus -appendicolith (a piece of stool or food stuck in the appendix that gets calcified and can cause appendicitis) |
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What is a sigmoid volvulus and what will it show as on an xray?
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-a twisting of the sigmoid
-will show as a "bird beak" on Xray |
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Colostomy
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-reversible procedure in which a stoma is formed by drawing the healthy end of the LI or colon through an incision in the anterior abd wall and suturing it into place
-this opening in conj w/ the attached stoma appliance provides an alternative channel for feces to leave the body |
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***Hartmann's procedure
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-"surgical tx of complicated left colon lesions"
-a problem in the sigmoid colon and that portion of the colon is removed -he will use a case study about a man w/ a perforated sigmoid colon, the answer choice should be Hartmann's procedure |
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Loop colostomy
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-usually used in emergencies and is a temporary and large stoma
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Colocolstomy
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-establishment of communication btwn 2 non-continuous segments of the colon
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Diverticulosis theory
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-pressure in colon causes pockets to pop out
-you can get food or stool stuck in a diverticulum and calcifies--> inflammation (diverticulitis) -MC location is sigmoid -Dx w/ CAT scan |
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***Colon Carcinoma
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-MC metastasis to regional nodes
-Metachronous: 2nd lesion, same organ, different time -Synchronous: 2nd lesion, same organ, same time -MC distant metastasis is the liver |
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Colonic Obstruction Intussusception
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-one portion of the colon gets sucked into another section
-CAT scan can diagnose this pretty well -tx: cut it out |
