A comparison between portable ultrasound and urethral catheterisation in the measurement of female bladder volume

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Abstract
Summary Summary Ultrasound is an accurate non-invasive method to measure bladder residual volume. However the delay in measuring bladder volume after voiding may lead to overestimation of the residual. A portable ultrasound machine is an accurate alternative which is comparable with the gold standard of urethral catheterisation without the associated patient discomfort and risks of urethral trauma and urinary tract infection. This machine is a useful instrument for measuring bladder residual volume on a busy gynaecological ward.