detrusor instability

detrusor instability
involuntary contraction of the detrusor muscle of the bladder caused by nonneurological problems such as bladder outlet obstruction. Cf. detrusor hyperreflexia.

Medical dictionary. 2011.

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  • detrusor overactivity — involuntary contractions of the detrusor urinae muscle from any cause; see detrusor hyperreflexia and detrusor instability. Called also detrusor hyperactivity …   Medical dictionary

  • detrusor-sphincter dyssynergia — detrusor–striated sphincter dyssynergia contraction of the sphincter muscle of the urethra at the same time the detrusor muscle of the bladder is contracting, resulting in obstruction of normal urinary outflow; it may accompany detrusor… …   Medical dictionary

  • detrusor hyperreflexia — increased contractile activity of the detrusor urinae muscle, resulting in urge incontinence, seen in spinal neural disease, supraspinal neural or vascular disease, parkinsonism, and some forms of dementia. Cf. detrusor instability …   Medical dictionary

  • detrusor — 1. A muscle that has the action of expelling a substance. 2. See d. (muscle). [L. detrudo, to drive away] * * * de·tru·sor di trü zər, sər n the outer largely longitudinally arranged musculature of the bladder wall called also detrusor muscle * * …   Medical dictionary

  • instability — The state of being unstable, or lacking stability. detrusor i. involuntary detrusor contractions that may occur at bladder volumes below capacity. SYN: detrusor hyperreflexia. spinal i. the inability of the spinal …   Medical dictionary

  • Bladder — The organ that stores urine. The bladder is a hollow organ in the lower abdomen. The kidneys filter waste from the blood and produce urine, which enters the bladder through two tubes called ureters. Urine leaves the bladder through another tube,… …   Medical dictionary

  • Jerry Blaivas — Jerry G. Blaivas (born in Brooklyn, NY) is a board certified American urologist, researcher, editor, and author, and he serves as the director of the Institute for Bladder and Prostate Research in New York City. Contents 1 Life 2 Education and… …   Wikipedia

  • hyperreflexia — A condition in which the deep tendon reflexes are exaggerated. detrusor h. SYN: detrusor instability. * * * hy·per·re·flex·ia rē flek sē ə n overactivity of physiological reflexes * * * hy·per·re·flex·ia (hi″pər re flekґse ə)… …   Medical dictionary

  • Normal pressure hydrocephalus — Classification and external resources ICD 10 G91.2 ICD 9 331.9 …   Wikipedia

  • DI — Abbreviation for dental index. * * * date of injury; date interviewed; defective interfering [particle]; dental index; dental informatics; dentinogenesis imperfecta; deoxyribonucleic acid index; depression inventory; desorption ionization;… …   Medical dictionary

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