• 2022-06-01
    A 45-year-old woman comes to the clinic complaining of shortness of breath and palpitation on exertion for 3 years. Physical examination reveals that cardiac dullness border enlarges laterally and inferiorly, and cardiac dullness border is boot-shaped. The cause for her symptoms is most likely to be
    A: aortic regurgitation
    B: cor pulmonale
    C: dilated cardiomyopathy
    D: isolated mitral stenosis
    E: hypertensive heart disease