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Radiation in Cath lab.pdf - TransradialWorld.com

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Effect of II distance on X-ray output<br />

<br />

Source-to-image distance (SID)<br />

Chang<strong>in</strong>g the SID affects both X-<br />

ray exposure and image<br />

magnification<br />

<br />

As the SID is <strong>in</strong>creased, there is<br />

greater loss of X-rays, and the<br />

image appears more magnified<br />

(means more X-rays needed -<br />

exposure equation)<br />

Cardiology department,<br />

SVCMC

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