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Urodynamic Studies: Uroflowmetry01:19

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Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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Nursing Assessment of the Genitourinary System III: Percussion and Auscultation01:22

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The genitourinary system maintains the body's fluid balance, waste excretion, and overall homeostasis. Proper assessment is essential for early detection of disorders, with percussion and auscultation integral to this evaluation. These methods help identify signs of kidney or bladder issues and provide important diagnostic clues.Percussion for Kidney TendernessPercussion is used to assess tenderness and detect kidney and bladder abnormalities. A common method for determining kidney tenderness...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Related Experiment Video

Updated: May 6, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
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Urodynamics: with a focus on appropriate indications.

Sara M Lenherr1, J Quentin Clemens

  • 1Department of Urology, University of Michigan, 1500 East Medical Center Drive, 3875 Taubman Center, SPC 5330, Ann Arbor, MI 48109-5330, USA.

The Urologic Clinics of North America
|November 5, 2013
PubMed
Summary
This summary is machine-generated.

This article updates urologists on current adult urodynamic testing. It covers indications, techniques, quality control, and troubleshooting for clinical questions.

Keywords:
Detrusor-sphincter dyssynergiaIncontinencePressure-flow studySphincter electromyographyUrodynamicUroflowmetry

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Area of Science:

  • Urology
  • Medical Diagnostics

Background:

  • Urodynamic testing is crucial for evaluating lower urinary tract dysfunction.
  • Contemporary practices require updates on indications and methodologies.

Purpose of the Study:

  • To provide urologists with current information on urodynamic testing.
  • To detail specific clinical applications and troubleshooting.

Main Methods:

  • Review of contemporary urodynamic testing indications.
  • Description of urodynamic testing techniques.
  • Inclusion of quality control measures and troubleshooting.

Main Results:

  • Provides guidance on selecting appropriate urodynamic tests for clinical scenarios.
  • Highlights common pitfalls and solutions in urodynamic testing.

Conclusions:

  • Emphasizes the importance of updated knowledge for effective urodynamic testing.
  • Aims to improve diagnostic accuracy and patient management in urology.