Results
The primary results of cystometric analysis is the cystometrogram. The x-axis is the volume of liquid and the y-axis is the intraluminal pressure of the bladder. In normal patients, the plot is a series of spikes whose local minimums form a non-linear curve resembling an exponential growth curve. The spikes correspond to the bladder contractions associated with the micturation reflex. The curve formed by the bottom of the plot reflects the level of pressure necessary to void. In normal patients, the first couple hundred milliliters of urine flow with minimal applied pressure. Increasing pressure is necessary to void 200-300 millileters of urine. Beyond that, the pressure necessary to void additional urine rises sharply.
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