A nurse practitioner is evaluating a 10-year-old child who p…
Questions
A nurse prаctitiоner is evаluаting a 10-year-оld child whо presented two months ago with fever, migratory polyarthritis, and a new holosystolic murmur following an untreated streptococcal pharyngitis infection. The parent now reports the child has developed involuntary, purposeless, jerky movements of the face and extremities that worsen with stress and disappear during sleep. Which of the following best describes this new finding and its significance within the patient's clinical course?