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Figure 9: The basic principle of ‘condom catheter’ technique. Flow is interrupted by closing the tap and the pressure builds up. When fluid is stationary, the filled urethra acts as a catheter allowing bladder pressure to be measured

Figure 9: The basic principle of ‘condom catheter’ technique. Flow is interrupted by closing the tap and the pressure builds up. When fluid is stationary, the filled urethra acts as a catheter allowing bladder pressure to be measured