What is the physiology of sexual function?
Sexual activity
involves coordination between various systems of the body. Hormones and
neurological pathways must be in sync for sexual desire to be present. Blood
vessels, nerves, and penile integrity must all be present for an adequate
erection and its maintenance during the sexual relation. Muscles and nerves
coordinate ejaculation achieved when the physiological passageway
for sperm (from the testicles to the urethra) is present. Orgasm is a
complex phenomenon that isn't completely understood but it involves the
coordination of muscles and nerves. When sexual dysfunction is present, the
physician must evaluate all the possible problems in this chain of events.
How are sexual problems in men diagnosed?
Evaluation
of sexual dysfunction starts with a detailed medical, sexual, and psychological
history, followed by a thorough physical examination. The second step must not
be overlooked because sexual dysfunction can have many causes. Sometimes, the
patient's partner can also contribute to the evaluation and could provide
useful information as well.
Some of
the questions the doctor could ask might concern the frequency of sexual
relations, your sexual orientation, if the frequency or quality of sexual
relations are satisfying, and your number of sexual partners, among others.
They will also inquire about nonsexual-related complaints.
A
complete physical examination is performed including assessing the pulses in
the legs and a thorough examination of the external genitalia (penis, scrotum,
and perineum) and their reflexes..
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