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Tumescence

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Tumescence

Tumescence is the quality or state of being tumescent or swollen. Tumescence usually refers to the normal engorgement with penis and in women is the clitoris. Detumescence is the reversal of this process, by which blood leaves the erectile tissue, returning to the flaccid state.[1]

Contents

  • Nocturnal penile tumescence testing 1
  • See also 2
  • References 3
  • External links 4

Nocturnal penile tumescence testing

Regularly, men who experience erectile dysfunction are given a nocturnal penile tumescence (NPT) test, usually over a three-day period. Such a test detects the presence of an erection occurring during sleep using either:

  1. a small portable computer connected to two bands placed around the shaft of the penis which records penile tumescence,
  2. a band of paper tape with perforations (like postage stamps) that is fit snugly around the shaft of the penis and will break at the perforations during penile tumescence.

The goal of nocturnal penile tumescence testing is to determine whether a man can experience an erection while sleeping after reporting he is unable to experience an erection while awake. If a man does obtain an erection while sleeping, but cannot obtain one while awake, a psychological cause or a medication side effect is usually suspected. Otherwise, if a man does not obtain an erection in either state, a physiological cause is usually suspected.

See also

References

  1. ^ Bella Anthony J, Lue Tom F, "Chapter 38. Male Sexual Dysfunction" (Chapter). Tanagho EA, McAninch JW: Smith's General Urology, 17th ed: http://m-learning.zju.edu.cn/G2S/eWebEditor/uploadfile/20130618163042768.doc.

External links

  • The Female ResponseHumboldt Universität zu Berlin
  • The Male ResponseHumboldt Universität zu Berlin
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