Radiation in Cath lab.pdf - TransradialWorld.com
Radiation in Cath lab.pdf - TransradialWorld.com
Radiation in Cath lab.pdf - TransradialWorld.com
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Effect of KVp on Iod<strong>in</strong>e’s contrast effect<br />
<br />
<br />
<br />
When the kVp is too high, there<br />
are many high-energy photons<br />
wasted that are not absorbed by<br />
the iod<strong>in</strong>e.<br />
These high-energy photons<br />
overpenetrate the iod<strong>in</strong>e column,<br />
creat<strong>in</strong>g a gray or washedout<br />
image.<br />
Better image contrast occurs if<br />
the kVp is kept at a reasonable<br />
low level (usually around 70–80<br />
kVp).<br />
Cardiology department,<br />
SVCMC
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