Using the obtained data, we calculated the venous flow volume (ml/min) in the axillary vein using the following equation:\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\text{Venous}}\,{\text{flow}}\,{\text{volume}}\left( {{\text{ml}}/\hbox{min} } \right) = {\text{radius}}\left( {\text{mm}} \right) \times {\text{radius}}\left( {\text{mm}} \right) \times\uppi \, \left( {{\text{circular}}\,{\text{constant}}} \right) \times {\text{time}} - {\text{averaged}}\,{\text{mean}}\,{\text{velocity}}\left( {{\text{cm}}/{\text{s}}} \right) \times 60/100. $$\end{document}Venousflowvolumeml/min=radiusmm×radiusmm×πcircularconstant×time-averagedmeanvelocitycm/s×60/100.