A nurse is caring for a neonate with a suspected diagnosis of rheumatic fever. The nurse reviews the laboratory results, knowing that which laboratory study would assist in confirming the diagnosis?

Question

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The nurse reviews the laboratory results, knowing that a laboratory study that would assist in confirming the diagnosis is antistreptolysin O titer. A diagnosis of rheumatic fever is confirmed by the presence of two major manifestations or one major and two minor manifestations from the Jones criteria. In addition, evidence of a recent streptococcal infection is confirmed by a positive antistreptolysin O titer, streptozyme assay, or an anti-DNase B assay.

A Nurse Is Caring for a Neonate with a Suspected