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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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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...
16
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

43
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...
43
Rheumatic Heart Disease III: Medical Management01:21

Rheumatic Heart Disease III: Medical Management

26
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...
26
Pericarditis III: Medical Management01:17

Pericarditis III: Medical Management

22
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...
22
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

19
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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Takayasu Arteritis: JACC Focus Seminar 3/4.

George Joseph1, Ruchika Goel2, Viji S Thomson1

  • 1Department of Cardiology, Christian Medical College, Vellore, India.

Journal of the American College of Cardiology
|January 4, 2023
PubMed
Summary

Takayasu arteritis, a large-vessel vasculitis, often presents with subtle early symptoms. Prompt diagnosis and treatment are crucial to prevent severe vascular complications and improve patient outcomes.

Keywords:
antirheumatic agentsendovascular proceduresimmunosuppressioninvasive proceduresvasculitis

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Area of Science:

  • Rheumatology
  • Vascular Medicine
  • Immunology

Background:

  • Takayasu arteritis is a rare, idiopathic large-vessel vasculitis predominantly affecting young women.
  • The disease has an early "prepulseless" stage often missed due to nonspecific symptoms like fever and malaise.
  • Progression leads to the "pulseless" stage with clinical signs of vascular compromise.

Purpose of the Study:

  • To highlight the importance of early diagnosis and management of Takayasu arteritis.
  • To describe the clinical and pathological characteristics of the disease's stages.
  • To emphasize the critical role of timely intervention in preventing severe vascular complications.

Main Methods:

  • Review of clinical presentations and pathological findings in Takayasu arteritis.
  • Analysis of diagnostic criteria and investigational modalities.
  • Evaluation of therapeutic strategies including immunosuppression and revascularization.

Main Results:

  • The "prepulseless" stage is characterized by constitutional symptoms and elevated inflammatory markers.
  • The "pulseless" stage involves absent pulses, vascular tenderness, and ischemic symptoms.
  • Vascular complications include stroke, blindness, heart failure, and aneurysm rupture if untreated.

Conclusions:

  • Early diagnosis, effective immunosuppressive therapy, and timely intervention for critical lesions are vital for successful outcomes.
  • Lifelong surveillance is necessary to monitor disease activity and vascular progression.
  • Recent advancements in diagnostics and therapeutics have significantly improved the prognosis for patients with Takayasu arteritis.