venous class notes

where does IVC start

right atrium

where does IVC end

L5

which side does IVC sit on

right

what forms IVC

common iliac veins

where does common iliac vein start

L5

where does CIV end

sacroiliac joint

what forms CIV

EIV and IIV

what is MayThurner syndrome

DVT because the right iliac artery compresses the left common iliac vein

where does external iliac vein start

sacroiliac joint

where does external iliac vein end

Poupart ligament

what is poupart ligament

boundary between external iliac vein and common femoral vein

where does internal iliac vein start

sacroiliac joint

where does internal IV end

in pelvis

internal iliac vein aka

hypogastric vein

where does CFV start

poupart ligament

where does CFV end

profunda/form femoral vein

what does the CFV recieve

GSV

where does CFV sit

scarpa’s triangle

where does FV start

CFV

where does FV end

adductor hiatus

FV is bifid in —-% population

30

where does profunda start

CFV

where does profunda end

deep thigh

where does profunda run

posterior

parts of scarpa’s triangle

pouparts ligament

adductor longus muscle

sartorus muscle

1/3 of upper thight is

Scarpa’s triangle

2/3 of lower thigh is

hunters canal

where do peroneals start

popliteal

where do peros end

lateral lower leg

what bone do peros follow

fibula

what do peros drain

calcanous

what do peros form

peroneal trunk

do peros recieve from soleal sinuses

yes

where do PTVs start

popliteal veinw

where do PTVs end

medial and lateral plantar veins

what bone to PTVs follow

tibia

what do PTVs form

tibial trunk

where do PTVs run

medial calf

do PTVs receive from soleal sinuses

yes

where do ATVs start

popliteal veinwh

where do ATVs end

dorsalis pedis vein

what do ATVs pierce

interossus membrane

do ATVs receive from soleal sinuses

NO

where does pop start

adductor hiatus

where does pop end

tibioperoneal trunk

what does pop receive

gastrocs and SSV

where do gastrocs start

pop

where do gastrocs end

gastroc muscleh

how many gastroc veins are there

4 total, 2 paris in each muscle

what is gastroc accomanying artery called

sural artery

where does small saphenous start

pop

where does SSV end

lateral mallelous

where does SSV run

back of calf like pantyhose

___% have thigh extension of SSV

30

what is the thigh extension called

vein of Giacomini

where can thigh extension lead

FV, GSV, gastrocs

AKA SSV

lesser, small, short, external

how many reservoirs of soleal sinuses

1-18

where are soleal sinuses

in soleal muscle

where do soleal sinues drain

peroneals and PTVs

MC site for clot

soleal sinuses

where does GSV start

CFV

where does GSV end

medial malleolus

longest vein in body

GSV

MC arterial conduit

GSV

main tributary of GSV

posterior arch vein

what does posterior arch vein drain

calf/gaiter zone

do superficial veins have accompanying artery

no

superficial veins are ____ to muscle fascia

superficial

deep veins are ____ to muscle fascia

deep

name for accompanying artery

venae comitantes

single venae comitantes

CIV, CFV, EIV, IIV, FV, popliteal

paired venae comitantes

PTV, ATV, peros, gastrocs

what are valves

bicuspid extension of intima

number of valves ____ as you go lower on the leg

increases

what is the dilatation around valves called

valvular sinus

what do perforators conneect

SUPERFICIAL to DEEP

how many perforators are there

over 100

how many valves does each perforator have

1

perforators allow _____ flow

inward

what do connecting veins connect

DEEP to DEEP

SUPERFICIAL to SUPERFICIAl

thickest layer of vein

tunica adventitia/externa

what kind of tissue is tunica adventitia

elastic

thickest layer in artery

tunica media

what kind of tissue is tunica media

muscle

what kind of tissue is tunica intima/interna

endothelial

what does tunica intima/interna contain

anti-thrombic substance

what does SVC form

2 brachiocephalic veins

where does SVC end

right atrium

where do brachiocephalic veins start

jugular & subclavian veins combine

where do brachiocephalic veins end

SVC

brachiocephalic veins aka

innominate vein

does left innominate vein have accompanying artery

NO

what does IJV drain

head

where does IJV end

brachiocephalic vein

what does IJV follow

CCA

where do subclavian vein start (prox to distal)

brachiocephalic vein

where does subclavian vein end (prox to distal)

axillary vein @ outer border of first rib

what marks where axillary vein stops and subclavian vein starts

cephalic vein

is subclavian vein paired or single venae comitante

singel