|Simultaneous 30 mmHg led to the greatest increase in Peak Systolic Velocity (PSV) in the common femoral vein as measured by doppler US, while intermittent led to a slower PSV but longer augmentation, potentially equating to greater total venous return. | |Simultaneous 30 mmHg led to the greatest increase in Peak Systolic Velocity (PSV) in the common femoral vein as measured by doppler US, while intermittent led to a slower PSV but longer augmentation, potentially equating to greater total venous return. |