SR 4 - Surgical Percentages Flashcards Preview

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Flashcards in SR 4 - Surgical Percentages Deck (19):
1

What percentage of people in the US will develop acute appendicitis?

~7%

2

What is the acceptable percentage of normal appendices removed with the preoperative diagnosis of appendicitis?

Up to 20%

3

What percentage of cases can US diagnose cholelithiasis?

98%

4

In what percentage of cases does GI bleed stop spontaneously?

~90%

5

In what percentage of cases does a UGI bleed stop spontaneously?

~80%

6

% of patients undergoing laparotomy that develop a postop SBO at some time later?

~5%

7

% of American women develop breast cancer?

10%

8

% of patients with acute appendiciis that have a radiopaque fecalith on AXR?

5%

9

% of patients with gallstones that are radiopague on AXR?

~10%

10

% of kidney stones that are radiopaque on AXR?

90%

11

At 6 weeks, % of total tensile strength wounds have achieved?

90%

12

% of patients with ARDS that will die?

40%

13

% of population with a Meckel's diverticulum?

2%

14

Risk of appendiceal rupture 24 hours after onset of symptoms?

25%

15

% of colonic villous adenomas contain cancer?

40%

16

One unit of RBCs increase the hematocrit by how much?

3%

17

Additional 1 liter by nasal cannula increases FIO2 by how much?

3%

18

% of porcelain gallbladders will contain cancer?

50%

19

% of patients with gastric ulcers have cancer on biopsy?

10%