Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
Diabetes Insipidus I: Introduction01:29

Diabetes Insipidus I: Introduction

Definition Diabetes insipidus is a disorder marked by the production of large amounts of dilute urine because of impaired vasopressin production, release, or kidney response. The lack of effective vasopressin action limits water reabsorption in the renal collecting ducts, which leads to excessive urinary water loss and intense thirst.Clinical PresentationIndividuals with diabetes insipidus report persistent thirst and very high urine output. In severe cases, fluid intake can reach up to 20...
Diabetes Insipidus II: Pathophysiology01:22

Diabetes Insipidus II: Pathophysiology

Normally, water balance is maintained through three interconnected mechanisms: the hypothalamic thirst center, the synthesis and release of antidiuretic hormone (ADH, or vasopressin), and the kidneys' responsiveness to this hormone. ADH is synthesized in the hypothalamus, released from the posterior pituitary, and acts on the distal nephron, allowing water reabsorption and concentrated urine production.Diabetes Insipidus and Its TypesIn diabetes insipidus (DI), this regulatory system is...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
Hyperglycemia01:29

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Genetic basis of familial neurohypophyseal diabetes insipidus.

Trends in endocrinology and metabolism: TEM·2008
Same author

Distribution and sources of surfzone bacteria at Huntington Beach before and after disinfection on an ocean outfall-- a frequency-domain analysis.

Marine environmental research·2006
Same author

Temporal and spatial variability of fecal indicator bacteria in the surf zone off Huntington Beach, CA.

Marine environmental research·2006
Same author

Renal regulation of urine volume: potential implications for nocturia.

BJU international·2002
Same author

The standardization of terminology in nocturia: report from the standardization subcommittee of the International Continence Society.

BJU international·2002
Same author

The role of desmopressin in the treatment of adult nocturia.

BJU international·2002

Related Experiment Video

Updated: Jul 21, 2026

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring
07:35

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring

Published on: June 23, 2015

Differential diagnosis of polyuria.

G L Robertson1

  • 1Department of Medicine, University of Chicago Pritzker School of Medicine, Illinois 60637.

Annual Review of Medicine
|January 1, 1988
PubMed
Summary

Diabetes insipidus (DI) is a complex syndrome of excessive urination and thirst. Differentiating its four main types—neurogenic, nephrogenic, dipsogenic, and psychogenic—requires careful clinical evaluation and advanced diagnostic methods for effective management.

Area of Science:

  • Endocrinology
  • Nephrology
  • Physiology

Background:

  • Diabetes insipidus (DI) presents as chronic polyuria and polydipsia.
  • DI arises from defects in vasopressin (antidiuretic hormone) or thirst regulation.
  • Four primary types exist: neurogenic, nephrogenic, dipsogenic, and psychogenic DI.

Purpose of the Study:

  • To outline the diagnostic challenges in differentiating the four types of DI.
  • To emphasize the necessity of accurate diagnosis for effective patient management.
  • To highlight the role of advanced diagnostics in understanding water homeostasis.

Main Methods:

  • Clinical presentation analysis of polyuria and polydipsia.
  • Distinguishing between vasopressin-related and thirst-related defects.

More Related Videos

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
03:19

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
10:31

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Related Experiment Videos

Last Updated: Jul 21, 2026

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring
07:35

Use of Ultra-high Field MRI in Small Rodent Models of Polycystic Kidney Disease for In Vivo Phenotyping and Drug Monitoring

Published on: June 23, 2015

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
03:19

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
10:31

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

  • Utilizing plasma vasopressin assays and antidiuretic therapy trials for diagnosis.

    • Main Results:

    • Clinical differentiation is often limited to complete and classical DI presentations.
    • Mild or incomplete defects necessitate sophisticated diagnostic approaches.
    • Accurate diagnosis is crucial for appropriate treatment strategies.

    Conclusions:

    • Precise differentiation of DI subtypes is essential for safe and effective management.
    • Understanding DI pathophysiology aids in managing water balance disorders.
    • Advanced diagnostic tools are vital for complex cases of diabetes insipidus.