IR

Question 1

Tolosa Hunt Syndrome

Answer 1

same pathologic process as orbital pseudotumor, but has cavernous sinus involvement

Question 2

Ventricular Volume

Answer 2

25 mL

Question 3

Subarachnoid Space Volume

Answer 3

125 mL

Question 4

Total CSF Volume

Answer 4

150 mL

Question 5

CSF production rate

Answer 5

500 mL/day

Question 6

How may times does CSF replenish

Answer 6

3-4 times

Question 7

Isolated spinal cord involvement in MS?

Answer 7

20%

Question 8

Petrous apex is pneumatized in what % of the pop?

Answer 8

10%

Question 9

What % of longitudinal temporal bone fx have CN injury?

Answer 9

20%

Question 10

What % of transverse temporal bone fx have CN injury?

Answer 10

50%

Question 11

Longitudinal temp bone fx have what kind of hearing loss?

Answer 11

Conductive

Question 12

Transverse temp bone fx have what kind of hearing loss?

Answer 12

Sensorineural

Question 13

Right atrium pressure

Answer 13

0-8 mm Hg

Question 14

Right ventricle pressure, diastole

Answer 14

0-8 mm Hg

Question 15

Right ventricle pressure, systolic

Answer 15

15-30 mm Hg

Question 16

Pulmonary artery pressure, systolic

Answer 16

15-30 mm Hg

Question 17

Pulmonary artery pressure, diastolic

Answer 17

3-12 mm Hg diastolic

Question 18

IVC diameter of > ? mm, requires a bird’s nest filter

Answer 18

28 mm

Question 19

What is the bird’s nest filter range

Answer 19

28-40 mm

Question 20

If the IVC is > ? mm, sepaate IVC filters inserted in each common iliac vein

Answer 20

40 mm

Question 21

What do you use to treat nonocclusive mesenteric ischemia? and how much?

Answer 21

Vasodilator papaverine (60 mg bolus, then 30-60 mg/h)

Question 22

What size of splenic a. aneurysm warrants tx?

Answer 22

> 2.5 cm

Question 23

Vasopressin is used for what? how much do you give?

Answer 23

Control active lower GI bleeding when catheterization doesn’t work,
directly infused into IMA/SMA
Dose: 0.2-0.4 units/minute (100 units mixed in 500 mL saline, given at 1 mL/minute)
Continuous infusion up to 24 hours
After 24 hours, tachyphylaxis (lack of response) develops

Question 24

Bleeding rate of what to be angiographically +?

Answer 24

0.5-1.0 mL/min

Question 25

Bleeding rate of what to be TRBC +?

Answer 25

0.2-0.4 mL/min

Question 26

Bleeding rate of what to be CTA+?

Answer 26

0.35 mL/min