echocardiography

(redirected from color Doppler echocardiography)
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Words related to echocardiography

a noninvasive diagnostic procedure that uses ultrasound to study to structure and motions of the heart

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In one study 2-D and color Doppler echocardiography were performed on 210 patients receiving MERIDIA 15 mg or placebo daily for periods of 2 weeks to 16 months.
Transthoracic color Doppler echocardiography in the apical region using a high frequency transducer with a low Nyquist limit, showed the presence of multiple linear color flow signals perpendicular to the epicardium, draining into the left ventricle, demonstrating multiple coronary artery-left ventricular micro-fistulas (Fig.
More recently 4 clear-cut echocardiographic diagnostic criteria have been established: 1) Absence of coexisting cardiac abnormalities; 2) A 2-layered structure of the left ventricular wall with the end-systolic ratio of noncompacted to compacted layer >2; 3) Finding this structure predominantly in the apical and mid-ventricular areas; 4) Blood flow directly from the ventricular cavity into the deep intertrabecular recesses as assessed by color Doppler echocardiography (4).