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November 1984

sing Doppler Ultrasound to [ill]antify Mitral Valvular Disease

Author Affiliations

[ill]m the Department of Medicine, Section of Cardiology Northwestern [ill]rial Hospital and Northwestern University Medical School, Chicago.

Arch Intern Med. 1984;144(11):2223-2225. doi:10.1001/archinte.1984.04400020145022

32-year-old man with a history of rheumatic fever as a child had pleuritic chest discomfort, hemoptysis, and [ill]ressive dyspnea on exertion. The first heart sound was [ill]ntuated, as was P2. There was minimal splitting of the [ill]nd heart sound. At the apex, an opening sound was followed by a soft, low-pitch middiastolic rumble. A third heart sound was not present. The ECG showed sinus tachycardia, a normal QRS axis, and right atrial abnormality. A pulmonary ventilation-perfusion scan was normal.

A representative portion of the patient's M-mode echocardiogram of the mitral valve is shown below (Fig 1).

What is your diagnosis?

What does the echo labeled X represent?

What two additional applications of cardiac ultrasound could be employed to help quantify the degree of disease?

Diagnosis—Mitral Stenosis

The M-mode echocardiogram shown in Fig 1 demonstrates characteristic findings of mitral stenosis. The anterior mitral leaflet (AML) is thickened and demonstrates a flattened

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