Rheumatic fever and carditis are most often preceded by infection with which organism?

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Multiple Choice

Rheumatic fever and carditis are most often preceded by infection with which organism?

Rheumatic fever and carditis are driven by an immune response to a preceding infection with group A Streptococcus, typically from a streptococcal throat infection (strep throat). The immune system makes antibodies against the bacterial M protein, which can cross-react with heart and joint tissues. This molecular mimicry sparks inflammation in the heart (carditis) and joints, along with other features of rheumatic fever. That specific link to group A Streptococcus explains why this organism is the correct antecedent. Other organisms listed—like Staphylococcus aureus, Escherichia coli, or Candida albicans—do not provoke rheumatic fever in this classic, immune-mediated way.

Rheumatic fever and carditis are most often preceded by infection with which organism?

Prepare for the MDC3 Test. Engage with interactive quizzes and detailed explanations for each question. Enhance your readiness and confidence with actionable insights and strategies!

Rheumatic fever and carditis are most often preceded by infection with which organism?

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