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Related Concept Videos

Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

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 fluid...
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...

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Related Experiment Video

Updated: Jun 30, 2026

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
07:15

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway

Published on: August 23, 2024

[Postinfectious acute glomerulonephritis].

Arnaud Garnier1, Michel Peuchmaur, Georges Deschênes

  • 1Service de néphrologie pédiatrique, hôpital Robert-Debré, Assistance publique-Hôpitaux de Paris, 48, boulevard Sérurier, 75935 Paris, France.

Nephrologie & Therapeutique
|September 24, 2008
PubMed
Summary
This summary is machine-generated.

Postinfectious acute glomerulonephritis, often seen in children, follows infections and causes hematuria. Severe fluid overload requires prompt treatment with diuretics or renal replacement therapy.

Related Experiment Videos

Last Updated: Jun 30, 2026

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
07:15

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway

Published on: August 23, 2024

Area of Science:

  • Nephrology
  • Pediatric Nephrology
  • Infectious Diseases

Context:

  • Postinfectious acute glomerulonephritis (PAGN) is a kidney disease primarily affecting children aged 2-10 years.
  • It typically arises after group A beta-hemolytic streptococcus infections of the skin or respiratory tract.
  • A latent period of 1-3 weeks precedes the onset of nephritic syndrome.

Purpose:

  • To outline the clinical presentation and management of postinfectious acute glomerulonephritis in children.
  • To highlight the characteristic features, including hematuria, proteinuria, and potential for severe fluid overload.
  • To emphasize urgent treatment strategies for complications like hypertension and heart failure.

Summary:

  • PAGN presents with persistent microscopic or macroscopic hematuria.
  • Proteinuria and reduced glomerular filtration rate are generally mild.
  • Severe salt and water retention can lead to hypertension, congestive heart failure, or pulmonary edema.

Impact:

  • Early recognition and management of PAGN are crucial to prevent severe complications.
  • Understanding the typical progression aids in timely diagnosis and intervention.
  • Effective treatment of fluid overload is essential for favorable outcomes in pediatric patients.