Spinal anesthesia

Question 1

How much reduction in blood loss is there during hip surgeries under SAB?

Answer 1

20-30%

Question 2

SAB decreases the incidence of venous thromboembolic complications by as much as ___%.

Answer 2

50

Question 3

Where are the principal sites of effect of spinal local anesthetics?

Answer 3

Spinal nerve roots

Spinal cord

Question 4

Is defined by the ratio of the density of the local anesthetic solution to the density of CSF

Answer 4

Baricity

Question 5

A solution with a ratio >1 is ____and tends to sink with gravity within the CSF.

Answer 5

Hyperbaric

Question 6

Needle placement should occur at least __ to ___ hours after an LMWH dose.

Answer 6

10 to 12 hours

Question 7

Transient neurologic syndrone include pain or dysesthesias in the buttocks radiating to the dorsolateral aspect of the thighs and calves. It is usually associated with spinal use of what local anesthetic?

Answer 7

Lidocaine

Question 8

Caudal anesthesia is injected at what level?

Answer 8

s5 (sacral hiatus)

Question 9

Dural sac normally ends at?

Answer 9

S2

Question 10

Bladder innervation?

Answer 10

T8