Anatomy Physiology DVT
Anatomy Physiology DVT
Anatomy Physiology DVT
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<strong>Anatomy</strong> & <strong>Physiology</strong> of theLeg veins.Rhodri M Evans
Deep Veins.
<strong>Physiology</strong>.
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
<strong>Anatomy</strong>.
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.
<strong>Physiology</strong>.• Virchow’s Triad.• Vessel wall damage,stasis,hypercoagulopathy.• Distension.• Two mechanisms.• First mechanism?
Where does it hurt?
Where does it hurt?
<strong>Anatomy</strong> & <strong>Physiology</strong> of theLeg veins.Rhodri M Evans
<strong>Anatomy</strong> & <strong>Physiology</strong> of theLeg veins.Rhodri M Evans
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