WorksheetsQuiz on Infective Endocarditis
Total questions: 15
Worksheet time: 8mins
What is infective endocarditis primarily characterized by?
Formation of blood clots in veins
Inflammation of the heart muscle
Blockage of coronary arteries
Microbial invasion of heart valves
Which organism is most commonly associated with native valve endocarditis?
Escherichia coli
Candida albicans
Streptococcus pneumoniae
Staphylococcus aureus
What is the most common predisposing factor for infective endocarditis?
Intravenous drug use
Obesity
Diabetes mellitus
Hypertension
Which of the following is a major criterion in the Duke criteria for diagnosing infective endocarditis?
Fatigue
Low-grade fever
Weight loss
Positive blood cultures
What is the most common complication of infective endocarditis?
Septic shock
Acute renal failure
Pulmonary embolism
Congestive heart failure
Which organism is frequently associated with dental procedures leading to infective endocarditis?
Staphylococcus epidermidis
Bartonella spp.
Coxiella burnetii
Viridans group Streptococcus
What is the incubation period for symptoms of sub acute infective endocarditis?
More than 8 weeks
3-4 weeks
1-2 weeks
more than 6 weeks
Which of the following is a common sign of acute endocarditis?
Rapidly developing fever
Absence of fever
Chronic cough
Joint pain
What is the primary laboratory test for diagnosing infective endocarditis?
Complete blood count
Echocardiogram
Urinalysis
Blood culture
Which antibiotic is the treatment of choice for penicillin-susceptible streptococci in infective endocarditis?
Gentamicin
Vancomycin
High-dose penicillin
Ceftriaxone
What is the role of prophylactic antibiotics in infective endocarditis?
To prevent transient bacteremia during procedures
To treat existing infections
To reduce inflammation
To enhance immune response
Which of the following is a common clinical manifestation of infective endocarditis?
Petechial rash
Severe abdominal pain
Persistent cough
Nausea and vomiting
What is the most common organism causing prosthetic valve endocarditis?
Coagulase-negative staphylococci
Streptococcus gallolyticus
Enterococcus spp.
Pseudomonas aeruginosa
Which of the following is a minor criterion in the Duke criteria?
Fever > 38.0° C
New valve regurgitant flow
Positive blood cultures
Intracardiac mass on echocardiography
What is the typical duration of antibiotic therapy for infective endocarditis?
2 to 3 weeks
1 to 2 weeks
4 to 6 weeks
8 to 10 weeks
