A nurse is caring for a client diagnosed with rheumatic fever. What assessment would the nurse perform first?

Choice A rationale Rheumatic fever is a delayed, non-suppurative complication of Group A Streptococcus (GAS) pharyngitis. While inspecting the throat for signs of pharyngitis is important in the differential diagnosis (looking for residual infection), the acute risk and priority for a client diagnosed with rheumatic fever lie in the systemic complications, making a cardiac assessment more immediate. Choice B rationale Auscultating lung sounds is essential for detecting potential pulmonary congestion, which can be a sign of heart failure secondary to carditis, a serious complication of rheumatic fever. However, directly assessing the heart for signs of valvular damage or inflammation (carditis) is the most critical and immediate priority assessment in this context. Choice C rationale Carditis (inflammation of the heart muscle and valves) is the most serious complication of rheumatic fever and can lead to permanent heart damage (rheumatic heart disease). Auscultation of heart sounds is the nurse's first priority to detect new murmurs, rubs, or gallops, which are critical, acute indicators of carditis and structural damage, demanding immediate intervention. Choice D rationale Percussion of the right abdomen might be performed to assess for liver enlargement (hepatomegaly), a sign of right-sided heart failure. However, this is a downstream sign of severe carditis. The initial assessment must focus on the primary site of acute, life-threatening pathology, which is the heart itself, making auscultation the priority. .