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Infective endocarditis presenting as diffuse alveolar hemorrhage: A case report.
Mitsunori Morita1, Hiromi Tomioka1
1Kobe City Hospital Organization, Kobe City Medical Center West Hospital, Department of Respiratory Medicine, Japan.
Infective endocarditis can cause diffuse alveolar hemorrhage (DAH), a serious lung condition. This case highlights the importance of considering endocarditis in patients presenting with DAH symptoms.
Area of Science:
- Cardiology
- Pulmonology
- Infectious Diseases
Background:
- Diffuse alveolar hemorrhage (DAH) presents with respiratory symptoms and lung opacities.
- Infective endocarditis is a serious infection of the heart valves.
Observation:
- An 80-year-old man presented with fever, bloody sputum, and dyspnea.
- Imaging revealed diffuse bilateral ground-glass opacities, and bronchoalveolar lavage confirmed DAH.
- Blood cultures later identified Enterococcus faecalis after initial treatment.
Findings:
- The patient was diagnosed with infective endocarditis based on Modified Duke's criteria.
- Enterococcus faecalis bacteremia was identified in the context of DAH.
- Methylprednisolone pulse therapy was initiated for DAH.
Implications:
- Infective endocarditis should be considered in the differential diagnosis of DAH.
- Prompt diagnosis and treatment of endocarditis are crucial in DAH patients.
- This case underscores the complex interplay between cardiac and pulmonary conditions.
Related Concept Videos
Endocarditis II: Clinical Features of Infective Endocarditis
Endocarditis I: Introduction
Endocarditis IV: Nursing Management
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Pulmonary Embolism I: Introduction
Endocarditis III: Medical Management

