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MD2002 > Blood Supply Of Limbs > Flashcards

Blood Supply Of Limbs Flashcards

1
Q

Branches of arch of aorta

A

Brachioencepahlic trunk > right carotid and right sublavain (going to arm)
Left common carotidleft subclavian

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2
Q

What 3 arteries arise from subclavian to upper limbs

A

Internal thoracic
Thyrocervical trunk
Suprascpaular

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3
Q

Subclavian artery down arm

A

Subclavian become axillar afnouter border of 1st rib
Axillary becomes brachial at distal border to teres major muscle
Axillary artery divided into 3 parts by pectoralis major muscle - proximal posterior of distal

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4
Q

Proximal to pectoralis minor

A

Superior thoracic (anterior wall thorax)

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5
Q

Behind pectoralis major

A 
Thoracoacromial (anterior wall axilla)
Lateral thoracic (breast and anterior wall of thoracic
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6
Q

Distal axillary artery branches to pectoralis minor and why they supply

A

Anterior circumflex humeral
Posterior circumflex humeral
Subscapular which branchssnintk thoracodorsal and circumflex scapular

Supply posterior wall of axilla

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7
Q

Brachial artery starts ends

A

Begins at lower border of teres major and ends in cubital fossa

Lying anterior to triceps and brachialis

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8
Q

Brachial artery divides into

A

Radial and ulnar artery

Main branches are profunda brachii and collateral branches

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9
Q

Superior ulnar collateral artery anastomoses with

A

Posterior ulnar recurrent artery

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10
Q

Inferior ulnar collateral artery anastomoses with

A

Anterior ulnar recurrent artery

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11
Q

Cubital fossa roof muscles floor lateral and medial borders

A

Roof - brachial and antebrachial fascia, bicipital aponeurosis, subcutaneous tissue skin

Floor - brachialis and supinator muscles

Laterally - brachioradialis

Medially - pronator teres

Superiorly - line connecting medial and lateral epicondyles

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12
Q

Cubital fosss basics

A 
Roof - bicipital aponeurosis
Superior - line between epicndyles
Medial - pronator teres
Lateral - brachioradialis
Floor - brachialis and supinator
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13
Q

Where does brachial artery terminate

A

As ulnar and radial arteries near neck of radius

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14
Q

Superior ulnar collateral artery Anastamoses with

A

Posterior ulnar recurrent artery

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15
Q

Inferior ulnar collateral artery joins with

A

Anterior ulnar recurrent artery

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16
Q

Radial collateral artery anastomoses with

A

Radial recurrent artery

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17
Q

Common anterior and posterior interosseous arteries are branches of

A

Ulnar artery

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18
Q

What does posterior interosseous supply

A

Middle 1/3 of posterior compartments of forearm (FA extensors)

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19
Q

What supplies medial forearm

A

Unnamed branches of ulnar (deep fa flexors and pronators)

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20
Q

Superficial palmar arch is terminal branch of what

A

Ulnar artery

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21
Q

Anterior interosseous

A

Travels along anterior IM piercing near proximal pronator quadratus

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22
Q

The deep palmar arch is a branch of

A

Radial artery

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23
Q

Blood supply to superficial untermiedate and deep forearm

A

Superficial radial
Intermediate radial and ulnar
Deep ulnar only

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24
Q

Where does ulnar artery enter hand

A

Anterior to flexor retinaculum between pisiform and hamate lateral to ulnar nerve

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25
Q

Ulnar artery terminates in hand as

A

Superficial palmar arch

Deep palmar branch

26
Q

What does superficial palmar arch supply

A

Common palmar digital arteries which branch into proper palmar digital arteries and anastomoses with palmar metacarpal arteries

27
Q

Radial artery terminate as

A

Deep palmar arch

Supplies palmar metacarpal arteries princeps policis artery and radial indices artery

28
Q

Superficial palmar arch is anastomsosis betwen

A

Continuation of ulnar artery

Superficial palmar branch of radial artery

29
Q

Venous drainage of upper limbs

A

Cephalic thumb
Basilic
Median cubital
Median vein

30
Q

Pulses can be felt

A

Brachial artery in mid shift of humerus
Median cubital vein in cubital fossa
Radial artery on wrist

31
Q

Venipunctuee

A

Cubital fossa
Median cubital vein

Cephalic and basilic also used

32
Q

Major arterial supply to lower limb and consequence

A

Femoral artery

Risk of arteriosclerosis

33
Q

Abdominal aorta terminates into

A

Left and right common iliac arteries - each gives rise to external and internal iliac arteries

34
Q

External iliac artery branches into

A

Femoral artery and profunda femoris artery which supply hip joints, thighs, legs and feet

35
Q

Internal iliac artery branches into

A

Superior and inferior gluteal arteries

And internal pudenal artery

36
Q

What do the superior and inferior gluteal arteries supply

A

Enter via greater sciatic foramen

Supply buttocks and take part in anastomoses around the hip

37
Q

Femoral artery branches

A

Common femoral
Superficial femoral
Profunda femoris

Anterior tibial
Dorsalis pedis

Posterior popliteal
Tibial
Fibular
Medial and lateral plantaris

38
Q

When does femoral artery enter femoral triangle

A

Under inguinal ligament at mid inguinal point

39
Q

Femoral triangle contains

A

Femoral nerve artery and vein

40
Q

Femoral triangle boundaries

A

Inguinal ligament at base
Sartorius muscle laterally
Adductor longus muscle medially

Femoral nerve lateral
Femoral artery middle
Femoral vein medial

Femoral sheath encloses femoral artery and vein not nerve

41
Q

What is the adductors canal

A

Area in thigh distal to femoral triangle and deep to sartorius where neurovascular bundle traverses middle 1/3 of thigh.

Groove between vastus medialis and initially adductor longus then Magnus and overlain by fascia and sartorius

42
Q

Femoral artery continues as

A

Superficial femoral and also gives the superficial epigastric, superficial circumflex iliac and deep superficial external pudendals

43
Q

What does femoral artery pass through

A

Adductor hiatus under adductor Magnus muscle

(Therefore is deepest structure in popliteal fossa)

Only femoral artery and vein pass through hiatus to enter popliteal fossa

44
Q

Obturator supplies

A

Acetabulum
Hip adductors
Knee
Skin of medial thigh

Anastomoses with branches from profunda femoris

Passes through obturator canal to divide into anterior and posterior branches that runs either side of the adductor brevis

45
Q

Supply to femoral head

A

Derived from circumflex femoral (profunda femoris) and obturator arteries

Retinacular vessels over head and blood supply to femoral head compromised if fracture of femoral head

46
Q

Popliteal artery ends as

A

Posterior and anterior tibial arteries

47
Q

Popliteal artery gives rise to

A

5 genicular branches that anastomoses with themselves

48
Q

Popliteal branches supply

A

Hamstring
Gastrocnemius
Soleus
Plantaris muscles

49
Q

What’s an aneurysm

A

Can form at popliteal and may be compromised in dislocation of knee and fractures below femur

50
Q

What artery supplies anterior compartment muscles of leg

Dorsiflexiors

A

Anterior tibial artery

51
Q

What supplies muscles of posterior compartment of leg (plantar flexors)

A

Posterior tibial artery

Gives off fibular
Circumflex fibular
Nutrient arteries

52
Q

What supplies the dorsum of foot with blood

A

Dorsalis pedis

Branches are lateral tarsal
Deep plantar
Arcuate
1st dorsal metatarsal

Give rise to dorsal digital arteries of the phalanges

53
Q

What supplies sole of foot

A

Medial and lateral plantar arteries

Along with branches
Superficial and deep plantar arches
Which give rise to the plantar digital arteries of phalanges

54
Q

Where is dorsalis pedis pulse taken

A

Between EDL and EHL tendons

55
Q

Where do superficial veins arise from

A

Ascend in subcutaneous tissue originating from dorsal venous arch of foot and dorsal veins of foot

56
Q

Great saphenous vein

A

Enters fascia lata to join femoral vein

57
Q

Small saphenous vein

A

Penetrates deep fascia of leg between the heads of gastrocnemius muscle and merges to form

Popliteal vein

58
Q

What happens if venous drainage flows backwards

A

Leads t varicose veins

59
Q

Deep veins

A

Ascend internal to deep fascia of lower limb

Communicate with superficial veins via perforating veins

Most occur as paired veins travelling with arteries of same name within vasucular sheathes with artery

60
Q

Femoral vein received drainage from

A

Profunda femoris

Great saphenous vein

61
Q

Venous flow direction

A

Superficial to deep via perforators, then muscle pump

Arterial pulsation and negative interthoracic pressure all help venous return against gravity

MD2002 (22 decks)

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