The current diagnostic and statistical manual of mental diseases (DSM-IV) has included a listing for impotence. These involuntary erections mean that everything is fine with the nerves, muscles and arteries involved in the erection process, and signals that the cause of impotence is elsewhere. It turns out that a man often gets multiple erections throughout the night. Once an erection is achieved, the man places the elastic ring on the base of his penis, which keeps blood from draining from the penis back into the body. As testosterone and other male sex hormone levels start to drop after reaching middle age, low testosterone level is often the culprit in most intermittent impotence problems, especially in older men.
Ultrasound is then used to see vascular dilation and measure penile blood pressure. More drastically, inflatable or rigid penile implants may be fitted surgically. Their absence may indicate a problem with nerve function or blood supply in the penis.
A physician measures the latency between squeeze and contraction by observing the anal sphincter or by feeling it with a gloved finger inserted past the anus. Once an erection is achieved, the man places the elastic ring on the base of his penis, which keeps blood from draining from the penis back into the body. Furthermore, studies have shown that lack of testosterone leads to a range of other sexual performance problems, including premature ejaculation and low sex drive. Duplex ultrasound is used to evaluate blood flow, venous leak, signs of atherosclerosis, and scarring or calcification of erectile tissue. Impotence caused by psychological factors is often temporary; it lasts as long as the underlying factor is still there. Other studies have suggested that Tribulus also acts by increasing the level of dehydroepiandrosterone (DHEA), a naturally occurring substance in the body believed to be important for a healthy sex drive. The same goes for alcohol and narcotics, like heroin and cocaine. If you use these recreational drugs, however, you have bigger health problems than just impotence. A physician measures the latency between squeeze and contraction by observing the anal sphincter or by feeling it with a gloved finger inserted past the anus.