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@MY Anesthesia!! > Anatomy > Flashcards

Anatomy Flashcards

1
Q

superficial cervical plexus

block

A
  • c1-c4
  • ONLY cutaneous blocked
  • BLOCK: midpoint of posterior border of SCM
  • often block ACCESSORY nn accidentally with it (cn 11)
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2
Q

5 nn of superficial cervical plexus

A 
1-Greater auricular
2-LESSER occipital
3-GREATER occipital
4-transverse cervical
5-supraclavicular
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3
Q

Superior surface of posterior arytenoids

A

INTERNAL branch of SUPERIOR laryngeal nn

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4
Q

Superior Laryngeal Nerve

A

-block thru thyrohyoid membrane

  • base of epiglottis
  • superior portion of cords
  • arytenoids
  • glottic opening
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5
Q

cricothyroid membrane injection

A

VOCAL cords block and below (captures recurrent laryngeal)

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6
Q

Recurrent Laryngeal territory

A

up to vocal cords

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7
Q

Glossopharyngeal territory

A
  • upper epiglottis
  • base of tongue
  • back of oropharynx

BLOCK: behind tonsillar pillars
(retropharyngeal hematoma, CAROTID receptors afferent pathways…increasing pressure….can get bradycardia!!)

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8
Q

ALL MUSCLES OF AIRWAY INNERVATED BY RECURRENT LARYNGEAL EXCEPT:

A

cricothyroid mm (external br of SLN)

DOES: TENSOR of vocal cords

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9
Q

Stellate ganglion block in relation to carotids

A

MEDIAL to carotid pulse ANTERIOR to C6 transverse process

–(80% of people) lowest cervical ganglion is fused with the first thoracic ganglion to form the cervicothoracic (stellate) ganglion

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10
Q

stellate ganglion located:

A
  • anterior to pre vertebral fascia
  • medial to carotid sheath
  • vertebral artery passes ANTERIOR to ganglion at C7, BUT is posterior to anterior tubercle of C6 (90%)
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11
Q

palpate this to locate C6 level

A

cricoid cartilage

CHASSAIGNAC’s tubercle is C6 TP….felt just lateral to the cartilage

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12
Q

syndrome get with stellate block

A

HORNER’s

  • ptosis
  • miosis
  • anhydrosis

THIS DOES NOT IMPLY SYMPATHETIC DENERVATION of arm. only that there’s cephalic sympathetic blockade

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13
Q

MOST common clinical sign of sympathetic blockade with stellate block

A

INCREASE in skin temp [>50% increase in skin blood flow]

will approximate core temp

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14
Q

vertebral artery originates from?

A

from subclavian aa

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15
Q

stellate block PROOF

A

-adrenergic activity confirm PLUS sympathetic cholinergic activity

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16
Q

left SUBCLAVIAN line placement can result in?

A

chylothorax; thoracic duct compromise

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17
Q

anterior border of the lumbar epidural space?

A

posterior longitudinal ligament

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18
Q

epidural space borders?

A

ANTER-Post longitud ligament of vertebral body

LATERAL-pedicles and intervertebral foramina

POSTER- flavum

SUPER-foramen mag
INFER-sacral hiatus

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19
Q

plexus in epidural space?

A

BATSON venous plexus

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20
Q

out to in: epidural space

A
  • supraspinous lig
  • interspinous lig
  • ligament FLAV
  • epid space
  • THRU SPINAL CORD
  • posterior spinous ligament
  • vertebral body
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21
Q

C7 marker

A

most prom

22
Q

T3 marker

A

scapular spine

23
Q

T7 marker

A

inferior angle of scapula

24
Q

T12 marker

A

lowest rib

25
Q

L4 marker

A

iliac crests

26
Q

S2 marker

A

PSIS

27
Q

which nerve usually missed with inter scalene block?

A

ulnar
(C8-T1…lowest pocket)

HOW TEST?
-finger abduction
-

28
Q

axillary block missed what nn?

A

Musculocutaneous

ACTION:

29
Q

Brachial plexus nn

A

C5-C8, T1

ANTERIOR PRIMARY RAMI

30
Q

Posterior cord become?

A

radial

and axial

31
Q

Lateral cord becomes

A

MC nn

after part of it splits off to join with medial cord to become median nn

32
Q

medial cord becomes ultimately

A

ulnar

33
Q

how many divisions?

A

6
three after
three poster

34
Q

where does the MEDIAN nn come from?

A

lateral and medial cords (coming together after gets branch from medial cord and branch from lateral cord)

35
Q

nerves in relation to AXILLARY artery?

A

superior - MEDian
infer - ULNar
poster/lat - RADial

36
Q

BRACHIAL artery - at elbow….where median nn?

A

medial to brachial aa

37
Q

median nn placement at wrist?

A
  • -flexor carpi radialis

- -palmaris longus

38
Q

ulnar nn to hand supplies

A

-ulnar side
-ALL mm of hand
[except: thenar eminence; 1st and 2nd lumbrical mm]

39
Q

where ulnar nn at wrist?

A

btwn:

  • flexor carpi ulunaris
  • ulnar aa
  • pisiform
40
Q

ANTERIOR roots to lumbar plexus (go to)

A

-ultimately converge on OBTURATOR nn

41
Q

POSTERIOR roots of lumbar plexus (go to)

A

LFC; fem nn

42
Q

SACRAL plexus gives two nn

A
  • SCIATIC

- poster cut nn thigh

43
Q

saphenous nn is ONLY component of distal lower extremity that comes from ____nn

A

femoral

everything else thru sciatic

44
Q

Obturator

A

L3-L4

-medial thigh

45
Q

anterior br of fem

A

skin

46
Q

total anesthesia of knee

A

obturator, sciatic, AND femoral

47
Q

BEST test to check sciatic block?

A

foot inversion

(bc most of sciatic is medial side); although will have plantar flexion too

48
Q

BORDERS of popliteal fossa?

A

-MEDIAL: semimembranosus
-LATERAL:
biceps femoris
-POSTER:
gastrocnemius

49
Q

popliteal fossa arrangement (lateral to medial)

A
  • nerve
  • artery
  • vein
50
Q

sural nn vs

poster tib IN RELATION TO ACHILLES

A

MEDial side - poster tib nn

LAT side - sural nn

@MY Anesthesia!! (14 decks)

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