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Related Concept Videos

Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Rheumatic Heart Disease IV: Nursing Management01:20

Rheumatic Heart Disease IV: Nursing Management

AssessmentA comprehensive assessment is essential in managing a patient with rheumatic heart disease (RHD). Begin with obtaining a detailed medical history, including recent streptococcal infections, a history of rheumatic fever, or previously diagnosed rheumatic heart disease. Assess the patient for symptoms such as fever, chest pain, widespread joint pain (arthralgia), tachycardia, pericardial friction rub, muffled heart sounds, heart murmurs, peripheral edema, subcutaneous nodules, and...

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Related Experiment Video

Updated: Jul 6, 2026

Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin
08:57

Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin

Published on: March 26, 2015

Demyelination in rheumatic diseases.

A Theodoridou1, L Settas

  • 1Athina Theodoridou, Rheumatology Unit of the 1st Internal Medicine department, AHEPA University Hospital, 54006 Thessaloniki, Greece. atheodori@yahoo.gr

Postgraduate Medical Journal
|March 29, 2008
PubMed
Summary

Multiple sclerosis (MS) is a central nervous system inflammatory disease. Differentiating MS from other autoimmune conditions presenting with neurological symptoms can be challenging due to overlapping clinical features.

Area of Science:

  • Neuroimmunology
  • Neurology
  • Autoimmune Diseases

Background:

  • Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system (CNS).
  • Autoantibodies, such as antinuclear antibodies, can be present in MS.
  • Demyelinating conditions like transverse myelitis and optic neuritis share clinical similarities with MS.

Purpose of the Study:

  • To highlight the diagnostic challenges in differentiating MS from CNS involvement in systemic autoimmune diseases.
  • To emphasize the difficulty in distinguishing MS from conditions like systemic lupus erythematosus (SLE), antiphospholipid syndrome (APS), Sjoegren's syndrome (SS), and Adamantiades-Behcet disease (BD).
  • To address the diagnostic problem posed by acute isolated neurological syndromes as potential early manifestations of MS or other autoimmune disorders.

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Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis

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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination

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Related Experiment Videos

Last Updated: Jul 6, 2026

Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin
08:57

Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin

Published on: March 26, 2015

Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis
05:55

Quantification of Autoreactive Antibodies in Mice upon Experimental Autoimmune Encephalomyelitis

Published on: December 1, 2023

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
09:38

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination

Published on: September 12, 2016

Main Methods:

  • Review of clinical presentations and diagnostic criteria for MS and related autoimmune CNS diseases.
  • Comparison of imaging findings (magnetic resonance imaging) in MS and other conditions.
  • Analysis of overlapping clinical features and potential diagnostic pitfalls.

Main Results:

  • Clinical presentations and MRI lesions can be similar between MS and CNS involvement in SLE, APS, SS, and BD.
  • Acute isolated neurological syndromes are common in MS but can also be the initial presentation of these systemic autoimmune diseases.
  • Distinguishing between these conditions can be difficult, especially in cases of isolated neurological events.

Conclusions:

  • Accurate differentiation between MS and other autoimmune CNS diseases requires careful clinical evaluation and consideration of overlapping symptoms.
  • The potential for misdiagnosis is high when acute neurological syndromes are the sole presenting feature.
  • Further research may be needed to develop more specific diagnostic markers for early MS and related disorders.