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Related Concept Videos

Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Myasthenia Gravis: Overview and Treatment01:20

Myasthenia Gravis: Overview and Treatment

Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which leads...
Pericarditis III: Medical Management01:17

Pericarditis III: Medical Management

The primary objectives of managing pericarditis are to determine the underlying cause, provide effective therapy for treatment and symptom relief, and promptly detect signs and symptoms of cardiac tamponade. The following outlines the essential aspects of medical management for pericarditis:ObjectivesDetermine the Cause: Identifying the underlying cause of pericarditis is crucial for targeted treatment. Causes include viral infections, autoimmune diseases, post-cardiac injury syndrome, and...

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Related Experiment Video

Updated: Jun 27, 2026

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
10:55

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

Dermatomyositis update.

S Grevelink1, S L Moschella, J Kay

  • 1Department of Dermatology and Medicine, Lahey Clinic Medical Center, Burlington, and Harvard Medical School, Boston, Massachusetts.

Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases
|December 17, 2008
PubMed
Summary
This summary is machine-generated.

Dermatomyositis (DM) is an idiopathic inflammatory myopathy with skin and muscle symptoms. Research highlights distinct features in children, diagnostic advancements, and evolving treatment strategies for non-responders.

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Last Updated: Jun 27, 2026

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
10:55

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

Area of Science:

  • Rheumatology
  • Dermatology
  • Neurology

Background:

  • Dermatomyositis (DM) is an idiopathic inflammatory myopathy.
  • It presents with characteristic dermatologic and muscle involvement, and potential extramuscular manifestations.
  • DM affects both children and adults, with specific pediatric features.

Purpose of the Study:

  • To review the key features of dermatomyositis.
  • To discuss diagnostic advancements and therapeutic guidance.

Main Methods:

  • Review of current literature on dermatomyositis.
  • Analysis of diagnostic tools including serologic tests and MRI.
  • Evaluation of treatment strategies for steroid non-responders.

Main Results:

  • Dermatomyositis can present with amyopathic dermatomyositis (skin changes without muscle involvement).
  • DM is associated with certain medications, infections, and malignancy in older adults.
  • Newer serologic tests aid in identifying distinct clinical subsets and prognoses.
  • Magnetic resonance imaging (MRI) is valuable for assessing muscle involvement and guiding biopsies.

Conclusions:

  • Dermatomyositis diagnosis and management are evolving with new serologic markers and imaging techniques.
  • Improved guidance for managing steroid-refractory cases is becoming available.
  • Understanding DM subsets aids in personalized treatment approaches.