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34 Cards in this Set

  • Front
  • Back
what type of anesthetics are used in peripheral nerve blocks?
local
how does local anesthesia work in peripheral nerve blocks
prevents impulse conduction in the nerve
can peripheral nerve blocks be both continuous infusion and single injection?
yes
How many cranial nerves are there?
8 pairs
how many thoracic nerves are there?
12 pairs
how many lumbar nerves are there?
5 pairs
how many sacral nerves are there?
5 pairs
how many coccygeal nerves are there?
one
T1 spinal nerve is right below
the first rib
T12 spinal nerve is just below
the 12th rib and T12
sensory neurons flow (in or out) of (dorsal or ventral horn)
sensory neurons flow into dorsal horn
motor neurons flow (in or out) of (dorsal or ventral) horn
motor neurons flow out of ventral horn
where is the sensory neuron located?
dorsal root ganglion
The cervical plexus is formed by
the first four cervical nerves
Anesthesia produced by cervical plexus block includes
area of inferior surface of mandible to level of second rib
Brachial plexus arises from anterior rami of
C5-c8 and T1
what are the 3 atantomic locations where local anesthetic slns are placed to block the brachial plexus?
interscalene, supraclavicular, and axillary
how many intercostal nerves are there?
12 pairs
Block of the intercostal nerves provides (sensory or motor) blockade to the
sensory and motor blockade to the entire abdominal wall.
do intercost nerve blocks block sympathetic nervous system?
no
what block would u give to relieve pain associated with rib fx?
intercostal block
principal risks of intercostal nerve blocks?
pneumothroax and accidental intravascular injection of local anesth
sacral plexus is located
L4-L5, S1-S3
which peripheral nerve block provides adequate anesthesia for the foot and lower leg?
sciatic nerve block
Fem,Blocka,obturator, and lateral femoral cutanous is acheived with single injection into the
lumbar plexus
The hand's dermatome
C7, (Thumb) C8
Back of arm dermatome
C6, C7, C8
big toe side of foot is
L4
lateral side of the foot dermatome is
S1
middle part of foot is
L5
ID dermatomes on slide 21
see slide
For interscalene block (part of brachial plexus) a line is drawn from the
cricoid cartilage crosses transverse process of C6
3 methods of nerve localization
anatomical landmarks, elctrical stimulation, ultrasound visualization
two types of electrical stimulation for peripheral nerve blocks
transdermal,percutaneous