The cephalic vein in the upper arm was not visibly ... A venogram of the right axillary vein revealed only dilatation of the venous channels (Fig. 2). Visualization of the dye disappeared at ...

Either axillary, interscalene ... was used to assess the degree of venodilatation of the basilic and cephalic veins before and after the block. The site of each measurement was marked on the ...