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Related Concept Videos

Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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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...
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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

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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...
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Rheumatic heart disease (RHD) management can be divided into two main strategies: prevention and long-term management.Primary PreventionPrimary prevention focuses on timely diagnosis and management of group A streptococcal pharyngitis to prevent acute rheumatic fever. The most widely used antibiotic for treating this condition is intramuscular benzathine penicillin G.Acute Rheumatic Fever TreatmentThe primary treatment goal for a patient diagnosed with acute rheumatic fever is to suppress the...
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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Rheumatologic Perspective on Persistent Right-Hand Tenosynovitis Secondary to Mycobacterium marinum Infection.

Gabriela Montes-Rivera1, Ricardo Pineda-Gayoso2, Sangeeta Rao2

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Nontuberculous mycobacteria (NTM) can mimic rheumatic arthritis, complicating diagnosis and treatment. Early suspicion and tissue biopsy for acid-fast bacilli are crucial for identifying NTM infections like Mycobacterium marinum tenosynovitis.

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Area of Science:

  • Rheumatology
  • Infectious Diseases
  • Microbiology

Background:

  • Rheumatologic conditions and infections present overlapping symptoms.
  • Immunosuppressive therapies in rheumatology can worsen concurrent infections.
  • Nontuberculous mycobacteria (NTM) infections pose diagnostic challenges due to slow growth and mimicry of rheumatic diseases.

Purpose of the Study:

  • To highlight the diagnostic challenges of NTM infections mimicking rheumatic arthritis.
  • To emphasize the importance of clinical suspicion and specific diagnostic methods for NTM.

Main Methods:

  • Case presentation of a patient with tenosynovitis initially evaluated for rheumatic conditions.
  • Repeated surgical debridement and synovial tissue biopsy with cultures for acid-fast bacilli.

Main Results:

  • Initial synovial cultures were negative, delaying diagnosis.
  • The patient was ultimately diagnosed with Mycobacterium marinum infectious tenosynovitis after repeated procedures.

Conclusions:

  • Clinical suspicion and thorough history are vital for diagnosing NTM infections.
  • Tissue biopsy with acid-fast bacilli culture is essential for identifying NTM mimicking inflammatory arthritis.
  • Physicians must consider NTM in cases of persistent tenosynovitis unresponsive to standard treatments.