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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

892
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...
892
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

950
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...
950
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

361
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...
361
Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

637
Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
637
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

647
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...
647
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

496
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...
496

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Related Experiment Video

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Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus MRSA in Rat
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Endocarditis Caused by Bartonella quintana: A Case Report.

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  • 1Internal Medicine, Centro Hospitalar Universitário Lisboa Norte, Hospital de Santa Maria, Lisbon, PRT.

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Summary

A rare case of Bartonella quintana infective endocarditis (IE) involved three heart valves and presented as a stroke. Early diagnosis and treatment are crucial for this aggressive infection.

Keywords:
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Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Infective endocarditis (IE) is a serious heart infection.
  • Bartonella species, particularly Bartonella quintana, are increasingly recognized causes of IE, especially culture-negative cases.
  • Managing Bartonella-induced IE requires understanding its unique pathophysiology and tailored treatments.

Observation:

  • A unique case of Bartonella quintana IE affecting the mitral, tricuspid, and aortic valves simultaneously.
  • The patient's initial presentation was a massive ischemic stroke, an atypical IE symptom.
  • Systemic embolization, including splenic septic emboli, was also observed.

Findings:

  • Multisite valvular vegetations indicate an aggressive Bartonella quintana infection.
  • Embolic stroke can be the primary clinical manifestation of IE.
  • Bartonella species should be suspected in culture-negative endocarditis with embolic events.

Implications:

  • Highlights the importance of considering IE in embolic stroke patients, even without typical symptoms.
  • Emphasizes the need for high suspicion of Bartonella in culture-negative endocarditis with multisite valve involvement.
  • Underscores that prompt diagnosis and targeted therapy are vital for improving outcomes in complex IE cases.