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Related Concept Videos

Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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 Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

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Related Experiment Video

Updated: Jul 7, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
10:03

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery

Published on: November 5, 2019

Fluid therapy for acute bacterial meningitis.

I Maconochie1, H Baumer, M E R Stewart

  • 1St Mary's Hospital, Department of Paediatrics A&E, South Wharf Road, Paddington, London, UK WC2 1NY. i.maconochie@ic.ac.uk

The Cochrane Database of Systematic Reviews
|February 7, 2008
PubMed
Summary

Maintaining intravenous fluids in the initial management of bacterial meningitis may reduce the risk of spasticity and seizures, particularly in high-mortality settings. Further research is needed for early-presenting cases with lower mortality rates.

Related Experiment Videos

Last Updated: Jul 7, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
10:03

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery

Published on: November 5, 2019

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Acute bacterial meningitis presents significant mortality and morbidity risks.
  • Fluid and electrolyte balance is crucial supportive care, with both over- and under-hydration posing adverse outcomes.
  • Prompt antimicrobial and supportive treatments improve survival rates, especially in pediatric populations.

Purpose of the Study:

  • To evaluate the impact of different fluid volumes in the initial management of bacterial meningitis.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials comparing differing fluid volumes in bacterial meningitis management.
  • Searches conducted across major databases including Cochrane, MEDLINE, EMBASE, and CINAHL.
  • Three trials meeting inclusion criteria were analyzed using a fixed-effect model.

Main Results:

  • No significant differences in overall mortality or severe/mild neurological sequelae between maintenance and restricted fluid groups.
  • Maintenance fluids showed a statistically significant reduction in spasticity, seizures (at 72 hours and 14 days), and chronic severe neurological sequelae.
  • These benefits were observed in the largest trial conducted in high-mortality settings.

Conclusions:

  • Evidence suggests maintaining intravenous fluids for the initial 48 hours may be beneficial in high-mortality settings with late presentations.
  • Insufficient evidence exists to guide fluid management in children presenting early with lower mortality rates.
  • Careful fluid management remains a critical aspect of supportive care in bacterial meningitis.