2020年2月15日 · In the following situations, cardiothoracic ratio is more than 0.5 on a PA chest radiograph, but heart and pericardium are normal: a prominent epicardial fat pad; due to …

CTR, an indicator of large heart size, is a simple, cheap and widely used clinical measurement. In patients undergoing coronary angiography, CTR between 0.42 and 0.49 was associated with …

The CTR is frequently expressed as a percentage. A CTR of greater than 1:2 (50%) is considered abnormal. Accurate assessment of heart size assumes the projection is Posterior-Anterior …

Normal values range between 0.42 and 0.50, which should not be presented as a percentage, but as a ratio. A value above 0.50 is considered abnormal and may indicate cardiomegaly [3].

2014年10月17日 · The cardiothoracic ratio (CTR) is a chest x-ray measurement (in a properly perform PA chest x-ray). It is defined as follows: maximum diameter of the heart / maximum …

The cardiothoracic ratio (CTR), a comparison of the cardiac and thoracic diameters in CXR images, is a commonly used index that offers predictive information...

2018年1月1日 · A cardiothoracic ratio of more than 50% is considered abnormal in an adult; more than 66% in a neonate (1). The cardiac diameter itself can also be measured and, in normal …

Objective: To determine whether cardiothoracic ratio (CTR), within the range conventionally considered normal, predicted prognosis in patients undergoing coronary angiography. Design: …

The cardiothoracic ratio (CTR), expressing the relationship between the size of the heart and the transverse dimension of the chest measured on a chest PA radiograph, is a...

2011年11月26日 · Cardiothoracic ratio (CTR), the ratio of cardiac diameter (CD) to thoracic diameter (TD), is a useful screening method to detect cardiomegaly, but is reliable only on …