42 research outputs found

    Echocardiographic Features and Cardiac Motion in Electrical Alternans

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    A 54-year-old female with adenocarcinoma of the lung developed cardiac tamponade. An electrocardiogram revealed electrical alternans of QRS complex. An echocardiogram demonstrated a large pericardial effusion and pendulous motion of the left atrium as well as of the left ventricle. Echocardiographic features of cardiac tamponade and mechanism of electrical alternans were also discussed
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