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Diagnosing Erectile Dysfunction (cont.)

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Media file 1: A number of devices have been developed to determine if an erection occurs during sleep. This snap gauge is fastened around the penis but opens when an erection occurs.
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Media file 2: This penile tumescence monitor is placed on the penis. It is connected to a monitor that records a continuous graph depicting the force and duration of erections that occur during sleep. The monitor is strapped to the leg. The nocturnal penile tumescence or NPT test is conducted on several nights to obtain an accurate indication of erections that normally occur during sleep.
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Media file 3: The presence of normal skin sensation adequate to produce an erection is measured with this device.
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Media type:  Illustration

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