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Related Concept Videos

Disorders of the Urinary System01:20

Disorders of the Urinary System

The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

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...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
The Micturition Reflex01:26

The Micturition Reflex

Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating urine...
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...

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Related Experiment Video

Updated: May 9, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
05:25

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

Dysfunctional voiding in adults.

Miki Haifler1, Kobi Stav

  • 1Department of Urology, Sheba Medical Center, Tel Hashomer, Israel. mikihaifler@gmail.com

The Israel Medical Association Journal : IMAJ
|July 12, 2013
PubMed
Summary
This summary is machine-generated.

Dysfunctional voiding (DV) in women presents with fluctuating urine flow due to involuntary muscle contractions. Early diagnosis and a multidisciplinary approach are crucial for effective treatment and preventing complications.

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Last Updated: May 9, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
05:25

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

Published on: August 14, 2019

Real-Time Void Spot Assay
06:39

Real-Time Void Spot Assay

Published on: February 10, 2023

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
03:26

Detrusor Underactivity Model in Rats by Conus Medullaris Transection

Published on: August 28, 2020

Area of Science:

  • Urology
  • Pelvic Floor Disorders
  • Neuro-urology

Background:

  • Dysfunctional voiding (DV) involves involuntary periurethral muscle contractions during micturition in neurologically normal women.
  • Variable etiology and non-specific symptoms often lead to delayed diagnosis of DV.
  • Lack of awareness contributes to the late identification of dysfunctional voiding.

Purpose of the Study:

  • To highlight the diagnostic challenges and treatment objectives for dysfunctional voiding.
  • To emphasize the importance of early intervention in managing DV.
  • To advocate for a multidisciplinary approach in treating women with DV.

Main Methods:

  • This study is a review of the current understanding of dysfunctional voiding.
  • It synthesizes information on the definition, diagnosis, and management of DV.
  • It discusses the International Continence Society definition of DV.

Main Results:

  • Dysfunctional voiding is defined by intermittent flow rate due to involuntary muscle contractions.
  • Diagnosis is often delayed due to non-specific symptoms and low awareness.
  • Treatment aims to normalize voiding and prevent renal failure and infections.

Conclusions:

  • Early diagnosis and treatment of dysfunctional voiding are essential.
  • A multidisciplinary approach is beneficial for managing DV.
  • Prompt management can prevent serious complications associated with dysfunctional voiding.