Hi,
X-rays are very non specific and it is difficult to assess it on an x-ray. It simply says that the shadow appears to be a bit larger than usual or it can also be said that it is more than 50% of thoracic ratio or cavity.
This can only be confirmed on an echocardiography.
Cardiomegaly can have tons of causes for which a detailed history,examination and investigation will be required.
Feel free to ask more questions. ...
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