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Basic CXR Interpretation - EthnoMed

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Chest Radiography:<br />

<strong>Basic</strong> Principles<br />

• X-ray photon fates:<br />

• completely absorbed in patient<br />

• transmitted through patient; strike film<br />

• scattered within patient; strike film<br />

• X-ray absorption depends on:<br />

• beam energy (constant)<br />

• tissue density

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