ratio

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The cardiothoracic ratio was measured as described by Danzer (1): A vertical line is drawn on the frontal film through the spinous procardiac enlargements of the vertebrae.
Left ventricular M-mode echocardiographic measurements and cardiothoracic ratio values are shown according to severity of mitral regurgitation in the Table 1.
Predictive value of cardiothoracic ratio as a marker of severity of aortic regurgitation and mitral regurgitation.
In the study published in the current issue of the Anatolian Journal of Cardiology, the cardiothoracic ratios of 107 patients with left heart valvular regurgitation were compared with left ventricular dimensions by echocardiography (8).