X-ray scan: X-rays formates on the film through examination parts of human body. Some people think that the cough
and fever shouldn’t scan because of much radiation, but the X-ray perspective is more safe, But the concept is wrong.
X-ray scan is the first choice of chest examination.
But the radiation of X-ray perspectiveis much more than X-ray scan. According to related experts, the x-ray dosage
is 20 ~ 30 times of ordinary scan which adult accepts chest examination. But the children don't cooperate with
because of crying; The doctors usually extend the time of perspective to observe lesions and accepted x-rays
dosage is more than theory. Therefore, x-rays scan is the best choice of chest check and perspective is a
beneficial supplement of scan.
Most of hospitals of our country has cancelled perspective
On the one hand, definition of perspective image is far worse than scan and is easy to miss tiny lesions and
subtle structure; On the other hand, perspective cann't record the image of lesions and is bad for reviewing and
contrasting. In developed countries of America and Japan, they have eliminated perspective; A few countries have
decreased the utilization rate that use this method. At present, In some parts of China large hospitals have
eliminated perspective and so advised that please try to choose scan and not perspective.
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