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Related Concept Videos

Viral Meningitis01:18

Viral Meningitis

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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...
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Arboviral Encephalitis01:25

Arboviral Encephalitis

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Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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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...
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Drug Delivery: Parenteral Route01:29

Drug Delivery: Parenteral Route

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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
There are three primary parenteral routes: intravenous (IV), intramuscular (IM), and subcutaneous (SC). The IV route introduces the drug directly into the bloodstream, ensuring immediate action. The IM route...
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Atypical Pneumonia01:14

Atypical Pneumonia

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Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
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Pneumonia IV: Management01:28

Pneumonia IV: Management

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The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
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Related Experiment Video

Updated: Mar 29, 2026

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
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A Practical Approach to Meningitis and Encephalitis.

Megan B Richie1, S Andrew Josephson1

  • 1Department of Neurology, University of California, San Francisco, California.

Seminars in Neurology
|November 24, 2015
PubMed
Summary

Meningitis and encephalitis are serious inflammatory brain conditions. Early diagnosis and treatment, focusing on infectious causes, are crucial for better patient outcomes.

Area of Science:

  • Neurology
  • Infectious Diseases

Background:

  • Meningitis involves meningeal inflammation, presenting with headache and nuchal rigidity.
  • Encephalitis is brain parenchyma inflammation, often causing seizures or focal deficits.

Purpose of the Study:

  • To review the differential diagnosis of meningitis and encephalitis.
  • To emphasize infectious etiologies and a practical clinical approach.

Main Methods:

  • Review of differential diagnoses for meningitis and encephalitis.
  • Focus on early diagnostic testing and empiric antimicrobial therapy.

Main Results:

  • Clinical approach prioritizes high-yield testing and prompt treatment initiation.
  • Etiology-specific testing is recommended if initial workup is inconclusive.

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Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
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Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment
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Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
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Conclusions:

  • Prompt diagnosis and treatment of meningitis and encephalitis are vital due to high morbidity.
  • Targeted therapies address primary disease and potential complications effectively.