Anatomy Physiology DVT

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Anatomy Physiology DVT

Anatomy & Physiology of theLeg veins.Rhodri M Evans


Deep Veins.


Physiology.


VEIN


VALVE


Valve“flaplike like structure that controls the oneway passage of fluid through that organ”


Valve• “flaplike like structure that controls the oneway passage of fluid through that organ”


Deep Vein Thrombosis.


Virchow’s Triad.• Vessel wall damage.• Stasis of blood.• Hyper-coagulopathy.


Virchow’s Triad.• Vessel wall damage.• Stasis of blood.• Hyper-coagulopathy.Thrombus.


Acute Thrombus.


Insult?


Insult?Vessel wall damageStasisHyper- coagulopathy.


Distended ,pain.


Distended ,pain.


Distended ,pain.Blood – Hypo-echoic.


Normal


Normal


Normal


Distended ,pain.


Distended ,pain.Non – compressible.


Distended ,pain.


Virchow’s Triad.• Two mechanisms.


First Mechanism


First Mechanism


SecondMechanism


Anatomy.


Start point?• Inguinal ligament runs from Anteriorsuperior iliac spine to pubic tubercle of thepubis.• Demarcates external iliac vein from thecommon femoral vein.


Medial


Medial


Medial


Medial


Medial


Medial


Medial


Medial


Lymph nodes.


Lymph nodes.


Lymph nodes.


Lymph nodes.


Lymph nodes.


Abnormal lymph nodes


Abnormal lymph nodes


Abnormal lymph nodes


Abnormal lymph nodes


Abnormal lymph nodes


Abnormal lymph nodes


Medial


Medial


Medial


Medial


Medial


Medial


Adductor canal?


Medial


MedialPosterior


Medial


Medial


Medial


Medial


Medial


Medial


Medial


Flexor Hallucis Longus


Flexor Digitorum longus


Tibialis posterior


Intra-muscular veins.


Physiology.• Virchow’s Triad.• Vessel wall damage,stasis,hypercoagulopathy.• Distension.• Two mechanisms.• First mechanism?


Where does it hurt?


Where does it hurt?


Anatomy & Physiology of theLeg veins.Rhodri M Evans


Anatomy & Physiology of theLeg veins.Rhodri M Evans

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