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19 Cards in this Set
- Front
- Back
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What percentage of people in the US will develop acute appendicitis? |
~7% |
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What is the acceptable percentage of normal appendices removed with the pre-operative diagnosis of appendicitis? |
Up to 20%; it is better to remove some normal appendices than to miss a case of acute appendicitis, which could result in a ruptured appendix |
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In what percentage of cases can US diagnose cholelithiasis? |
98% |
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In what percentage of cases does a lower GI bleed stop spontaneously? |
~90% |
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In what percentage of cases does an upper GI bleed stop spontaneously? |
~80% |
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What percentage of patients undergoing laparotomy develop a post-op small bowel obstruction at some time later? |
~5% |
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What percentage of American women develop breast cancer? |
10% |
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What percentage of patients with acute appendicitis will have a radiopaque fecalith on abdominal x-ray (AXR)? |
Only about 5% |
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What percentage of patients with gallstones will have radiopaque gallstones on abdominal x-ray (AXR)? |
~10% |
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What percentage of kidney stones are radiopaque on abdominal x-ray (AXR)? |
~90% |
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At 6 weeks, wounds have achieved what percentage of their total tensile strength? |
~90% |
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What percentage of patients with ARDS will die? |
~40% |
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What percentage of the population have a Meckel's diverticulum? |
2% (Rule of 2's) |
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What ist he risk of appendiceal rupture 24 hours after the onset of symptoms? |
~25% |
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What percentage of colonic villous adenomas contain cancer? |
~40% (think: VILLous = VILLain) |
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One unit of packed RBCs increases the hematocrit by how much? |
3% |
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Additional 1L by nasal cannula increases FIO2 by how much? |
3% |
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What percentage of porcelain gallbladders will contain cancer? |
~50% |
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What percentage of patients with gastric ulcers have cancer on biopsy? |
10% |
