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Increased Bronchovascular Markings
This always means either Infection in respiratory passages or fluid overload. Infection may be acute or chronic. If radiologist reports increased bronchovascular markings but clinical situation is not supporting any thing it can be ignored and film should be taken as normal.
In cardiac failure cases so called reversal of pattern of markings occur. There is increase in markings in midzones due to fluid overload. Actually this is not reversal. This is only increase in midzones.
In chronic bronchitis, markings are increased. In emphysema, these are decreased in hyperinflated areas. In collapse of the lungs beyond the line-demarcating lung, these must be absent.
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