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Endocarditis II: Clinical Features of Infective Endocarditis01:25

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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...
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Endocarditis I: Introduction01:25

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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...
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Myocarditis I: Introduction01:21

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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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Rheumatic Heart Disease I: Introduction01:23

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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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Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

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Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Infectious and Postinfectious Vasculopathies.

Christina M Marra1

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Neuroimaging Clinics of North America
|November 11, 2023
PubMed
Summary
This summary is machine-generated.

Central nervous system infections can cause stroke, but some, like varicella zoster virus and syphilis, present primarily with stroke. Delayed cerebral vasculopathy post-bacterial meningitis is an emerging concern.

Keywords:
Central nervous system infectionDelayed cerebral vasculopathySyphilisTreponema pallidumVaricella zoster virusVasculitis

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Vascular Neurology

Background:

  • Stroke is a known complication of central nervous system (CNS) infections.
  • However, certain infections like varicella zoster virus (VZV) and syphilis can manifest with stroke as a primary symptom, often without other overt CNS signs.
  • Delayed cerebral vasculopathy following bacterial meningitis treatment is an emerging clinical entity.

Purpose of the Study:

  • To highlight CNS infections that present with stroke as a predominant feature.
  • To discuss the emerging issue of delayed cerebral vasculopathy after bacterial meningitis.

Main Methods:

  • Review of clinical presentations of CNS infections associated with stroke.
  • Analysis of literature on varicella zoster virus, syphilis, and bacterial meningitis complications.

Main Results:

  • Varicella zoster virus and syphilis are key infectious agents causing stroke with minimal preceding symptoms.
  • Delayed cerebral vasculopathy after pneumococcal meningitis is increasingly recognized but its pathogenesis remains unclear.

Conclusions:

  • Clinicians should consider specific CNS infections in stroke patients, even without typical infectious signs.
  • Further research is needed to elucidate the mechanisms behind delayed cerebral vasculopathy post-meningitis.