The following are risk factors for _____
Surgery
Trauma
Immobility
Pregnancy
Hypercoaguability/Blood disorders
Oral Contraceptives
Cancer
Obesity
Cardiac Disease
*****Prior Hx*****
DVT
Symptoms of DVT
Extremity swelling/edema
Pain/Tightness
Positive Homan's sign
Asymptomatic
Chest Pain -- PE
DVT Therapy
Bed Rest & Anticoagulants (Hearin, Coumadin. Compression Stockings)
Hospitalization & Anticoagulant IV Therapy
Percutaneous Catheter Thombolysis
IVC filter (If chronic PE)
Perforators
Hunterian (prox thigh)
Dodd (distal thigh
Boyd's (around the knee)
Cockett's (of the posterior arch vein)
The seven branches off the axillary artery:
Superior Artery
Thoracic Artery
Thoracocromial Artery
Lateral thoracic Artery
Subscapular Artery
Anterior and posterior humeral Artery
Thoracodorsal Artery
1st branch of the aortic arch:
The Rt Innominate Artery
LE Venous return regulated by:
Calf Muscle Contraction
Respiration
Valve sufficiency
Heart function
One system not functioning=venous congestion
Venous Insufficiency/Venous Incompetence
Primary:
Congenital absence or defect of valves
Venous insufficiency/Venous Incompetence
Secondary
Post-phlebitic valves damaged by venous thrombosis, and/or chronic outflow obstruction
Criteria for Venous Thrombosis
Absence of vein compressibility
Visualization of thrombus
Vein distention
Abnormal doppler signals
Reduced/absent augmentation
Reduced/absent color filling
Acute DVT
Anechoic - fresh
Hypoechoic - hardening
Hyperechoic - hard
Hypoechoic - body is fighting it and liquifying it
Anechoic - liquid so body can fight it
Chronic DVT
Echogenic thrombus
Vein smaller than artery
Presence of collaterals
Recannalization
Phleboliths
Lt CCA branches directly off of:
Aortic Arch
Rt CCA branches from:
Innominate Artery, along with the Rt Subclavian artery
At the level of the _________, the CCA bifurcates into the ICA and ECA.