Electromyography of the detrusor muscle. 1975

P T Doyle, and D W Hill, and S L Stanton

In order to diagnose and treat patients with micturitional disturbances it is necessary to obtain as much information as possible about the function of the lower urinary tract in each case. We studied 70 female patients with micturitional disturbances by monitoring pulse, respiration, intrinsic bladder pressure, urine flow rate and volume, and detrusor and sphincter electromyograms during a 2 to 4-hour period. As earlier investigators have shown, there are 2 types of detrusor electromyograms: low frequency and high frequency activity. The low frequency activity is random in nature and has definite patterns in disturbed bladder function. It is a useful diagnostic parameter and, when considered with the results of the sphincter electromyograms and pressure recordings, it provides much diagnostic information in this group of patients. The high frequency activity is similar to that of striated muscle.

UI MeSH Term Description Entries
D008297 Male Males
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D011312 Pressure A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Pressures
D011674 Pulse The rhythmical expansion and contraction of an ARTERY produced by waves of pressure caused by the ejection of BLOOD from the left ventricle of the HEART as it contracts. Pulses
D012119 Respiration The act of breathing with the LUNGS, consisting of INHALATION, or the taking into the lungs of the ambient air, and of EXHALATION, or the expelling of the modified air which contains more CARBON DIOXIDE than the air taken in (Blakiston's Gould Medical Dictionary, 4th ed.). This does not include tissue respiration ( Breathing
D001743 Urinary Bladder A musculomembranous sac along the URINARY TRACT. URINE flows from the KIDNEYS into the bladder via the ureters (URETER), and is held there until URINATION. Bladder,Bladder Detrusor Muscle,Detrusor Urinae,Bladder Detrusor Muscles,Bladder, Urinary,Detrusor Muscle, Bladder,Detrusor Muscles, Bladder
D004576 Electromyography Recording of the changes in electric potential of muscle by means of surface or needle electrodes. Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014549 Urinary Incontinence Involuntary loss of URINE, such as leaking of urine. It is a symptom of various underlying pathological processes. Major types of incontinence include URINARY URGE INCONTINENCE and URINARY STRESS INCONTINENCE. Incontinence, Urinary
D014554 Urination Discharge of URINE, liquid waste processed by the KIDNEY, from the body. Micturition

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