ratio

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Chest X-ray showed no noteworthy abnormalities, and cardiothoracic ratio was 0.
The aim of this study was, therefore, to evaluate the effects of surgical ASD repair on functional status, right ventricular size, cardiothoracic ratio and pulmonary hypertension in patients over 40 years of age.
Objective: In this study we compared cardiothoracic ratio on chest radiography and left ventricular dimensions from echocardiography in patients with left heart valvular regurgitation.
Overall heart size can be evaluated from chest films in a variety of ways; two of the most popular ways are calculation of the cardiothoracic ratio from posteroanterior (PA) films alone, and determination of the total cardiac silhouette volume utilizing both PA and lateral projections (2).