A 35-year-old woman with childhood rheumatic fever presents with palpitations and progressive dyspnea. Vital signs show HR 110/min, BP 118/76 mmHg, RR 20/min, SpO2 94% on room air. Physical examination reveals an opening snap followed by a low-pitched apical diastolic murmur; no systolic murmur appreciated. ECG demonstrates atrial fibrillation. Transthoracic echocardiography shows a doming mitral valve with reduced leaflet mobility and a mitral valve area of 1.2 cm². Which of the following is the most likely diagnosis?
- A)Mitral stenosisGABARITO
- B)Tricuspid stenosis
- C)Aortic stenosis
- D)Aortic regurgitation
- E)Mitral regurgitation
Explicação
Mitral stenosis, often sequelae of rheumatic fever, presents with an opening snap (S2 followed by snap) and low-pitched diastolic murmur at the apex. Atrial fibrillation is common due to left atrial enlargement. Dyspnea and palpitations result from elevated le... Ver explicação completa e trilha adaptativa →