Classify colloid intravenous fluids and outline the pharmacology of the hydroxyethyl starches.

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College Answer

This question, of high and common clinical relevance, was poorly answered. Candidates were
expected to mention colloid intravenous fluid were either semi-synthetic or plasma derivatives. A
clear outline of the pharmacology, that is formulation (eg molecular weight, amylopectin/glucose
polymer), pharmacokinetics and adverse effects, etc was expected of a good answer.
Syllabus: E2a
References: Hemmings, Foundation of Anaesthesia: Basic and Clinical Science pg 719, OH,
Intensive Care Medicine 5th Edition pg 927-929