General information Ultrasmall superparamagnetic particles of iron oxide (USPIOs) of median diameter no less than 50 nm have been studied as blood-pool agents and are given intravenously to enhance liver imaging in patients with cirrhosis and to visualize lymph nodes.…
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See also Angiotensin II receptor antagonists . General information Irbesartan is a potent selective angiotensin II type 1 (AT 1 ) receptor antagonist. Its pharmacology is the same as that of other angiotensin II receptor antagonists [ ]. In the…
See also Tricyclic antidepressants General information Iprindole is a 6,5,8 tricyclic compound, whose first two rings form an indole nucleus [ ]. It is of some theoretical interest, in that it is weak in its action on the amine pump…
See also Anticholinergic drugs General information Ipratropium hydrobromide is a quaternary amine, the semisynthetic isopropyl derivative of atropine, which has low lipid solubility and is poorly absorbed. It has anticholinergic properties and is used to treat asthma. The metered dose…
See also Rubiaceae General information Ipecacuanha is an extract of the root of Psychotria ipecacuanha , also known as Cephaelis ipecacuanha , a member of the Rubiaceae. It contains the emetic alkaloids cephaeline and emetine. It has often been used…
General information Ion exchange polymers are insoluble organic polymers, which trap ions and in doing so release others [ ]. There are four main types: strongly acidic compounds, which typically contain sulfonic acid groups (for example, the polystyrene sulfonates, which…
General information Initially used as a preservative in wood paints and metal-working fluids, 3-iodo-2-propynyl butylcarbamate is also used in cosmetics, shampoos, metal-working fluids, and moistened wipes [ ]. You’re Reading a Preview Become a Clinical Tree membership for Full access…
See also Amiodarone ; Iodinated contrast media ; Iodopropynyl butylcarbamate ; Radioactive iodine General information Iodine is a non-metallic halogen element (symbol I; atomic no 53, atomic weight 127). It exists as a near-black solid but readily sublimates, giving a…
See also Amiodarone ; Iodine-containing medicaments ; Iodopropynyl butylcarbamate ; Povidone-iodine; Radioactive iodine General information The radio-opacity of X-ray contrast media depends on the fact that they contain substances with high atomic weights that absorb X-rays. Bismuth, now largely obsolete,…