Diagnosing Erectile Dysfunction (cont.)
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Diagnosing Erectile Dysfunction Pictures
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. Click to view larger image.
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. Click to view larger image.
The presence of normal skin sensation adequate to produce an erection is measured with this device. Click to view larger image.
Medically reviewed by Michael Wolff, MD; American Board of Urology
Medically Reviewed by a Doctor on 5/10/2016
Stephen W Leslie, MD, FACS
Bradley Fields Schwartz, DO, FACS
Mary L Windle, PharmD
Martin I Resnick, MD
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