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Intravenous anaesthetic-hypnotic drugs Propofol Pentothal ...

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25/11/2010<br />

Barbiturates / Side effects (2)<br />

c. Venous irritation and tissue damage<br />

1. May cause pain at the site of administration<br />

because of venous irritation.<br />

2. Infiltration of intraarterial administration of a<br />

barbiturate may cause severe pain, tissue<br />

damage, and necrosis due to its high alkalinity.<br />

If intraarterial administration occurs,<br />

heparinization and regional sympathetic blockade<br />

may be helpful in treatment.<br />

d. Myoclonus and hiccoughing are often associated<br />

with the administration of methohexital.<br />

25

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