Infective Endocarditis Knowledge Quiz
Test your understanding of infective endocarditis. Complete all questions to assess your knowledge.
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Which of the following is the most common causative organism of infective endocarditis in intravenous drug users?
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Staphylococcus aureus
Streptococcus viridans
Enterococcus faecalis
Pseudomonas aeruginosa
Other
Which of the following are risk factors for developing infective endocarditis? (Select all that apply)
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Prosthetic heart valves
History of intravenous drug use
Congenital heart disease
Recent dental procedures
Healthy adult with no cardiac history
Other
Which of the following is NOT a common clinical sign of infective endocarditis?
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Osler nodes
Janeway lesions
Splinter hemorrhages
Clubbing of fingers
Roth spots
A 45-year-old male presents with fever, a new heart murmur, and a history of intravenous drug use. What is the most appropriate initial diagnostic test for infective endocarditis?
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Blood cultures
Electrocardiogram (ECG)
Chest X-ray
Urinalysis
CT scan of the chest
Which valve is most commonly affected in infective endocarditis among intravenous drug users?
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Mitral valve
Aortic valve
Tricuspid valve
Pulmonary valve
Which of the following statements about the treatment of infective endocarditis is TRUE?
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Antibiotic therapy should always be started before obtaining blood cultures.
Surgical intervention is never indicated.
Empiric antibiotic therapy should cover both staphylococci and streptococci.
Oral antibiotics are preferred for initial management.
On a scale of 1 to 5, how confident are you in diagnosing infective endocarditis?
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Not confident
1
2
3
4
Very confident
5
1 is Not confident, 5 is Very confident
Please review the following scenario and provide your answer: A 60-year-old woman with a prosthetic mitral valve presents with persistent low-grade fever and malaise for two weeks. Blood cultures are positive for Streptococcus viridans. What is the most likely source of her infection and what is the recommended treatment approach?
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