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and the patient's awareness of the event will be queried. The patient will often be asked to note when presence of liquid is felt, when the bladder feels full, and when the urgency to void is felt. The patient is then asked to void, and both flow and pressure are recorded. These are plotted against
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Cystometric analysis is used to evaluate the bladder's capacity to contract and expel urine. It helps determine the source of urinary problems. A normal CMG effectively rules out primary vesical dysfunction. It is used as a component for diagnosis of various disorders including
29:
91:
192:
As with any catheterization, the primary risk is of urinary tract infection. As a result, the procedure is contraindicated in any patient with an active UTI because the results may be skewed and the infection may spread .
139:(pressure sensor). In the single catheter method, a specialized catheter performs both functions. An additional rectal catheter may also be placed for additional data. The bladder will then be filled with
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of urine flow with minimal applied pressure. Increasing pressure is necessary to void 200 to 300 milliliters of urine. Beyond that, the pressure necessary to void additional urine rises sharply.
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180:. The curve formed by the bottom of the plot reflects the level of pressure necessary to void. In normal patients, the first couple hundred
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The procedure is relatively short, ranging from fifteen minutes to an hour in duration. It involves the insertion of one or two
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is the intraluminal pressure of the bladder. In normal patients, the plot is a series of spikes whose local minimums form a
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into an emptied bladder through the urethra. In the two catheter method, one catheter transfers liquid while the other is a
70:, is a clinical diagnostic procedure used to evaluate bladder function. Specifically, it measures contractile force of the
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223:. Susan M. Barman, Heddwen L. Brooks, Jason X.-J. Yuan, William F. Preceded by: Ganong (26th ed.). . p. 681.
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Cystometrogram showing high frequency oscillations characteristic of expulsion of liquid in the rat.
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392:"National Kidney & Urologic Diseases Information Clearinghouse - Urodynamic Testing"
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There is also the potential for trauma to the bladder and urethra, which may result in
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82:(CMG), which plots intravesical pressure against the volume of fluid in the bladder.
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growth curve. The spikes correspond to the bladder contractions associated with the
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367:"Chicago Institute of Neurosurgery & Neuroresearch - Cystometrogram"
78:. The resulting chart generated from cystometric analysis is known as a
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The primary results of cystometric analysis is the cystometrogram. The
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272:. Michael E. Hall (14th ed.). Philadelphia, PA. p. 327.
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339:"University of Michigan Health System - Cystometrogram"
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420:. Philadelphia: Elsevier Saunders. p. 312.
269:Guyton and Hall textbook of medical physiology
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300:: CS1 maint: location missing publisher (
251:: CS1 maint: location missing publisher (
94:Diagram of cystometry in a female patient.
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416:Guyton, Arthur C.; Hall, John E. (2006).
144:each other to create the cystometrogram.
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18:
16:Medical evaluation of bladder function
220:Ganong's Review of Medical Physiology
7:
468:Tests and procedures involving the
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14:
319:"MedlinePlus - Cystometric study"
781:Extracorporeal shockwave therapy
164:is the volume of liquid and the
418:Textbook of Medical Physiology
1:
639:Artificial urinary sphincter
498:Percutaneous nephrolithotomy
644:Urethral bulking injections
188:Risks and contraindications
832:
731:Voiding cystourethrography
50:
26:
674:Urinary tract ultrasound
217:Barrett, Kim E. (2019).
101:urinary tract infections
759:Urinary catheterization
716:Radioisotope renography
33:Example cystometrogram.
726:Retrograde urethrogram
530:Kidney transplantation
266:Hall, John E. (2021).
200:(blood in the urine).
157:
95:
596:Suprapubic cystostomy
155:
93:
563:Ureterosigmoidostomy
172:curve resembling an
811:Urologic procedures
736:Urodynamic testing
649:Cystourethrography
178:micturition reflex
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121:overactive bladder
105:multiple sclerosis
96:
798:
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774:Laser lithotripsy
629:Urethral sounding
558:Urinary diversion
427:978-0-7216-0240-0
279:978-0-323-59712-8
119:obstruction, and
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394:. Archived from
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68:flow cystometry
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573:Ureteroscopy
568:Ureterolysis
553:Ureterostomy
520:Renal biopsy
491:percutaneous
417:
411:
400:. Retrieved
396:the original
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375:. Retrieved
371:the original
347:. Retrieved
343:the original
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322:. Retrieved
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769:Lithotripsy
721:Cystography
684:Intravenous
624:Urethrotomy
619:Urethropexy
525:Nephrectomy
513:Nephroscopy
486:Nephrostomy
182:milliliters
174:exponential
113:spinal cord
805:Categories
786:Urinalysis
741:Cystometry
706:CT urogram
689:Retrograde
601:Cystoscopy
591:Cystectomy
535:Nephropexy
503:Nephrotomy
402:2008-08-04
377:2008-08-04
349:2008-08-04
324:2008-08-04
288:1129099861
239:1076268769
204:References
170:non-linear
64:Cystometry
22:Cystometry
694:Antegrade
679:Pyelogram
508:Endoscopy
296:cite book
247:cite book
198:hematuria
137:manometer
133:catheters
127:Procedure
117:urethral
115:injury,
40:ICD-9-CM
666:Imaging
658:General
611:Urethra
583:Bladder
148:Results
76:voiding
72:bladder
545:Ureter
478:Kidney
424:
286:
276:
237:
227:
166:y-axis
162:x-axis
141:saline
109:stroke
752:Other
74:when
52:[
45:89.22
422:ISBN
302:link
284:OCLC
274:ISBN
253:link
235:OCLC
225:ISBN
699:Gas
86:Use
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56:]
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
