A 31-year-old woman with systemic lupus erythematosus presents with dyspnea and palpitations. Vital signs show BP 128/82 mmHg, HR 102 bpm, RR 18/min, temp 37.2°C, SpO2 98% on room air. Physical examination reveals a new systolic murmur at the apex; no fever noted. Echocardiography demonstrates small sterile vegetations on both mitral valve leaflets. ESR is elevated at 68 mm/hr. Blood cultures remain negative. Which diagnosis best explains these findings?
- A)Libman Sacks endocarditisGABARITO
- B)Papillary fibroelastoma
- C)Infective endocarditis due to viridans streptococci
- D)Acute rheumatic valvulitis
- E)Nonbacterial thrombotic endocarditis associated with malignancy
Explicação
Libman Sacks endocarditis occurs in systemic lupus erythematosus and produces sterile vegetations on either side of valve leaflets, most commonly the mitral valve. The autoimmune background and negative blood cultures distinguish it from infective endocarditis... Ver explicação completa e trilha adaptativa →