Fig. 21.1 Mechanism of action of unfractionated versus low-molecular-weight heparins (see text) Warfarin exerts an anticoagulant effect by interfering with an essential posttranslational, vitamin K-dependent step that results in the…
Fig. 12.1 Anatomic distribution of varicose veins and their relationship to documented source of superficial venous reflux, including the great saphenous vein, anterior saphenous vein, pudendal vein, small saphenous vein,…
Complete compression of the vein Vein walls completely apposed with less compression than required to compress adjacent artery Spontaneous phasic flow signals in all veins The examination is performed with…
ABI Degree of PAD Symptoms 0.97–1.25 None None 0.75–0.96 Mild Minimal claudication 0.50–0.74 Moderate Claudication <0.50 Severe Severe claudication <0.30 Critical Rest pain, poor healing, ischemic ulcers/ tissue loss One…
