11.03.2017 Views

DR Medhat MRCP

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Metabolism of paracetamol in overdose :<br />

- It takes place in the liver by :<br />

Conjugation with<br />

glucuronic acid or<br />

sulphate<br />

Oxidation by CYP<br />

Excess NABQI<br />

Conjugated to glutathione<br />

till glutathione saturation<br />

Free unconjugated NABQI<br />

- Hepatotoxic<br />

- Nephrotoxic<br />

Eliminated in urine<br />

9

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