10 Questions
Which pathogen is most likely responsible for endocarditis presenting with low-grade fever, malaise, and weight loss?
Viridans streptococci
What is the characteristic manifestation of endocarditis associated with high virulence pathogens such as Coxiella burnetii?
Round white spots on the retina surrounded by hemorrhage
Which type of endocarditis is typically associated with IV drug use?
Tricuspid endocarditis
Which organism is commonly associated with native valve endocarditis due to pulmonary emboli?
Haemophilus influenzae
What is the diagnostic significance of three or more positive blood cultures taken over more than 1 hour in infective endocarditis?
Definite diagnosis based on 2 major criteria
Which condition is NOT considered a minor criterion for the diagnosis of infective endocarditis?
Positive echocardiographic findings of vegetations
Which type of infective endocarditis is associated with a rapid progression and high mortality rate if left untreated?
Acute infective endocarditis caused by S.aureus
Which organism is the most common cause of infective endocarditis associated with native valves, especially on damaged valves?
S.viridines
What is the most common cause of early-onset infective endocarditis in patients with prosthetic heart valves within 60 days of surgery?
S.epidermidis
What type of cardiac abnormality is NOT considered a risk factor for infective endocarditis?
Atrial fibrillation
Test your knowledge of infective endocarditis symptoms and causes with this quiz. Identify the connections between nail-bed hemorrhage, nail clubbing, S bovis presence in colon cancer, arterial or pulmonary emboli, and other related factors.
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