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Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

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Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
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Nephrotic Syndrome III : Nursing Management01:24

Nephrotic Syndrome III : Nursing Management

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Nursing management for nephrotic syndrome adapts as the disease progresses, with strategies evolving to address advancing symptoms and complications.Early-Stage Management In the early stages, nursing interventions for nephrotic syndrome resemble those used in managing acute glomerulonephritis, focusing on symptom monitoring, fluid balance, and managing mild to moderate edema.Vital Signs: Regularly monitor blood pressure, pulse, respiratory rate, and temperature to promptly identify...
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Nephrotic Syndrome II : Assessment and Medical Management01:26

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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...
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Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

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The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
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Related Experiment Video

Updated: Aug 16, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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Hypothalamic hypernatremic myopathy: A single-center case series.

Qingjie Li1,2, Lei Bao1,3, Meirong Liu2

  • 1Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.

Muscle & Nerve
|December 28, 2022
PubMed
Summary
This summary is machine-generated.

Hypernatremia myopathy, a rare condition, presents with muscle weakness and elevated creatine kinase (CK) in hypernatremic patients. Early recognition is crucial as it can lead to rhabdomyolysis and acute kidney injury.

Keywords:
hypernatremiahypernatremic myopathyhypopituitarismrhabdomyolysis

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Area of Science:

  • Neurology
  • Endocrinology
  • Nephrology

Background:

  • Hypernatremia myopathy is a rare and often overlooked condition.
  • Understanding its clinical profile and pathogenesis is essential for diagnosis and management.

Approach:

  • A case series reviewing seven patients with hypernatremia myopathy.
  • Detailed analysis of demographic data, etiology, clinical features, and laboratory/electrophysiological findings.
  • Inclusion of muscle biopsy findings from one patient.

Key Points:

  • Hypothalamic lesions (e.g., craniopharyngioma, glioma) were the primary cause of hypernatremia.
  • Significant positive correlation observed between serum sodium and CK levels.
  • High prevalence of hypopituitarism (hypogonadism, hypothyroidism, diabetes insipidus) noted, indicating hypothalamic dysfunction.

Conclusions:

  • Hypernatremia myopathy should be suspected in hypernatremic patients with muscle weakness and myalgia.
  • Rhabdomyolysis and acute kidney injury are frequent complications.
  • Hormone level testing and brain MRI for hypothalamic lesions are recommended.