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Related Concept Videos

Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

26
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
26
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

20
Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
20
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

27
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
27
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

27
Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
27
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

41
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
41
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

46
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...
46

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Related Experiment Video

Updated: Sep 14, 2025

Author Spotlight: Advancing Syphilis Research — Innovations in Treponema pallidum Cultivation and Genetic Engineering
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Gummatous mitral valve endocarditis from tertiary syphilis.

Nisha George1,2, Daniel Pan1,2,3,4,5,6, Shirley Sze3,7

  • 1Department of Respiratory Sciences, University of Leicester, Leicester, UK.

Access Microbiology
|July 23, 2025
PubMed
Summary

This case highlights tertiary syphilis presenting as infective endocarditis. Despite negative initial tests, a patient

Keywords:
gummamitral endocarditissyphilitic endocarditistertiary syphilis

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Neurology

Background:

  • Tertiary syphilis can present with diverse and subtle symptoms, often eluding standard diagnostic protocols.
  • Late-stage syphilis may manifest in cardiovascular and neurological systems, posing diagnostic challenges.

Observation:

  • A 50-year-old gentleman with a history of syphilis presented with constitutional symptoms, neurological deficits, and signs of infective endocarditis.
  • Imaging revealed hepatosplenomegaly, splenic infarcts, and cerebral lesions, while echocardiography showed severe mitral regurgitation due to a large vegetation.
  • Despite negative initial infectious workup, positive serum treponemal antibodies (TPPA) and surgical findings suggested syphilitic valvulitis.

Findings:

  • The patient was diagnosed with probable syphilitic endocarditis, complicated by severe mitral regurgitation and potential neurosyphilis.
  • Surgical intervention revealed calcified valvular tissue suggestive of gumma.
  • Standard antibiotic therapy may be insufficient to prevent late syphilitic complications.

Implications:

  • This case underscores the importance of considering tertiary syphilis in the differential diagnosis of endocarditis and neurological disorders, especially in patients with a history of syphilis.
  • Aggressive treatment combining surgery and prolonged antimicrobial therapy is crucial for managing syphilitic endocarditis.
  • Current treatment guidelines may require re-evaluation to adequately address the prevention of late-stage syphilitic complications.