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MD2002 > Blood Supply Of Limbs > Flashcards

Blood Supply Of Limbs Flashcards

(61 cards)

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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
Ulnar artery terminates in hand as
Superficial palmar arch | Deep palmar branch
26
What does superficial palmar arch supply
Common palmar digital arteries which branch into proper palmar digital arteries and anastomoses with palmar metacarpal arteries
27
Radial artery terminate as
Deep palmar arch Supplies palmar metacarpal arteries princeps policis artery and radial indices artery
28
Superficial palmar arch is anastomsosis betwen
Continuation of ulnar artery | Superficial palmar branch of radial artery
29
Venous drainage of upper limbs
Cephalic thumb Basilic Median cubital Median vein
30
Pulses can be felt
Brachial artery in mid shift of humerus Median cubital vein in cubital fossa Radial artery on wrist
31
Venipunctuee
Cubital fossa Median cubital vein Cephalic and basilic also used
32
Major arterial supply to lower limb and consequence
Femoral artery Risk of arteriosclerosis
33
Abdominal aorta terminates into
Left and right common iliac arteries - each gives rise to external and internal iliac arteries
34
External iliac artery branches into
Femoral artery and profunda femoris artery which supply hip joints, thighs, legs and feet
35
Internal iliac artery branches into
Superior and inferior gluteal arteries And internal pudenal artery
36
What do the superior and inferior gluteal arteries supply
Enter via greater sciatic foramen | Supply buttocks and take part in anastomoses around the hip
37
Femoral artery branches
Common femoral Superficial femoral Profunda femoris Anterior tibial Dorsalis pedis Posterior popliteal Tibial Fibular Medial and lateral plantaris
38
When does femoral artery enter femoral triangle
Under inguinal ligament at mid inguinal point
39
Femoral triangle contains
Femoral nerve artery and vein
40
Femoral triangle boundaries
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
What is the adductors canal
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
Femoral artery continues as
Superficial femoral and also gives the superficial epigastric, superficial circumflex iliac and deep superficial external pudendals
43
What does femoral artery pass through
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
Obturator supplies
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
Supply to femoral head
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
Popliteal artery ends as
Posterior and anterior tibial arteries
47
Popliteal artery gives rise to
5 genicular branches that anastomoses with themselves
48
Popliteal branches supply
Hamstring Gastrocnemius Soleus Plantaris muscles
49
What's an aneurysm
Can form at popliteal and may be compromised in dislocation of knee and fractures below femur
50
What artery supplies anterior compartment muscles of leg Dorsiflexiors
Anterior tibial artery
51
What supplies muscles of posterior compartment of leg (plantar flexors)
Posterior tibial artery Gives off fibular Circumflex fibular Nutrient arteries
52
What supplies the dorsum of foot with blood
Dorsalis pedis Branches are lateral tarsal Deep plantar Arcuate 1st dorsal metatarsal Give rise to dorsal digital arteries of the phalanges
53
What supplies sole of foot
Medial and lateral plantar arteries Along with branches Superficial and deep plantar arches Which give rise to the plantar digital arteries of phalanges
54
Where is dorsalis pedis pulse taken
Between EDL and EHL tendons
55
Where do superficial veins arise from
Ascend in subcutaneous tissue originating from dorsal venous arch of foot and dorsal veins of foot
56
Great saphenous vein
Enters fascia lata to join femoral vein
57
Small saphenous vein
Penetrates deep fascia of leg between the heads of gastrocnemius muscle and merges to form Popliteal vein
58
What happens if venous drainage flows backwards
Leads t varicose veins
59
Deep veins
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
Femoral vein received drainage from
Profunda femoris | Great saphenous vein
61
Venous flow direction
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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