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Related Concept Videos

Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

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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...
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Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

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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...
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Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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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...
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Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

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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...
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Pericarditis I: Introduction01:22

Pericarditis I: Introduction

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Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...
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Pericarditis III: Medical Management01:17

Pericarditis III: Medical Management

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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: Aug 18, 2025

Author Spotlight: Advanced Integrated Model for Sepsis-Induced Myopathy and Single-Cell Metabolic Analysis
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Post-COVID-19 Polymyositis: A Case Report.

Stefan Anthony1, Davong D Phrathep1, Ali El-Husari1

  • 1Family Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, USA.

Cureus
|December 7, 2022
PubMed
Summary

Polymyositis, a rare condition causing symmetrical muscle weakness, can develop after Coronavirus disease 2019 (COVID-19). Early investigation and immunosuppressant treatment are crucial for managing post-COVID-19 polymyositis symptoms.

Keywords:
arthralgiacovid-19idiopathic inflammatory myopathymyalgiapolymyositis

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Area of Science:

  • Neurology
  • Rheumatology
  • Infectious Diseases

Background:

  • Polymyositis is an idiopathic inflammatory myopathy characterized by symmetrical proximal muscle weakness.
  • Post-Coronavirus disease 2019 (COVID-19) polymyositis is a rare but potential complication following viral infection.
  • Early diagnosis and treatment of polymyositis are essential for patient outcomes.

Observation:

  • A 58-year-old male experienced weakness, myalgias, and arthralgias six months post-COVID-19 recovery.
  • Initial investigations ruled out other autoimmune diseases and myopathies.
  • The patient presented with symptoms consistent with polymyositis.

Findings:

  • The patient exhibited symptoms suggestive of polymyositis following COVID-19.
  • Treatment with prednisone resulted in moderate symptom improvement.
  • Diagnosis was based on clinical presentation and response to therapy, despite refusal of biopsy/EMG.

Implications:

  • This case highlights the importance of considering polymyositis in patients with persistent symptoms after COVID-19.
  • Prompt diagnosis and management, including immunosuppressive therapy, can improve quality of life.
  • Further research is needed to understand the pathophysiology and long-term effects of post-COVID-19 polymyositis.