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Section: Erectile Dysfunction (list 1)
About ED
Erectile dysfunction (ED, "male impotence") is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis sufficient for satisfactory sexual performance. An erection occurs as a hydraulic effect due to blood entering and being retained in sponge-like bodies within the penis. The process is most often ...Section: Erectile Dysfunction
Other articles from the section: Erectile Dysfunction
Clinical Tests Used to Diagnose ED
Duplex ultrasound (Duplex ultrasound is used to evaluate blood flow, venous leak, signs of atherosclerosis, and scarring or calcification of erectile tissue. Injecting prostaglandin, a hormone-like stimulator produced in the body, induces erection. Ultrasound is then used to see vascular dilation and measure penile blood pressure. Measurements are compared to those taken when the penis is flaccid). Penile nerves function (Tests such as the bulbocavernosus reflex test are used to determine if there is ...Section: Erectile Dysfunction
Causes
Drugs (Anti-depressants (SSRIs) and Nicotine are most common. A study entitled "Drug-induced mal sexual dysfunction" concluded that of the 12 most commonly prescribed medications on the market today, 8 of those medications list "impotence" as a side-effect of the drug. Other drugs such as alcohol, cocaine, and heroin negatively impact male sexual libido.) Neurogenic Disorders (spinal cord and brain injuries, nerve disorders such as Parkinson's ...Section: Erectile Dysfunction
Alternative treatment methods
Numerous alternative therapies are used to improve sexual function. Some include: niacin, zinc, copper, Korean red ginseng root, ginkgo, pine bark, Tribulus terrestris, arginine, Avena sativa, horny goat weed, maca root, muira puama, saw palmetto, and Swedish flower pollen. None of these however have been recognized as effective by the FDA. While zinc deficiency may be a cause of lower testosterone levels in hemodialysis patients, which may benefit from zinc supplementation, such supplements have no effect on the testosterone levels of healthy males who consume a ...Section: Erectile Dysfunction