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Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [1] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout the UK, the West Indies ...
Dexmedetomidine, sold under the brand name Precedex among others, is a medication used for sedation. [4] Veterinarians use dexmedetomidine for similar purposes in treating cats, dogs, and horses. [ 10 ] [ 11 ] It is also used in humans to treat acute agitation associated with schizophrenia or bipolar disorder . [ 5 ]
Detomidine is a sedative with analgesic properties. [3] α2-adrenergic agonists produce dose-dependent sedative and analgesic effects, mediated by activation of α2 catecholamine receptors, thus inducing a negative feedback response, reducing production of excitatory neurotransmitters.
Medications such as clonidine and dexmedetomidine target pre-synaptic auto receptors, therefore leading to an overall decrease in norepinephrine which clinically can cause effects such as sedation, analgesia, lowering of blood pressure and bradycardia. There is also low quality evidence that they can reduce shivering post operatively.
The French mint will replace a number of medals after complaints from Olympians and Paralympians that their medals have begun to deteriorate less than six months after 2024 Paris Olympics ended.
Medetomidine is a racemic mixture of two optical or stereoisomers, levomedetomidine and dexmedetomidine. [4] The latter causes the alpha 2- adrenergic agonist effects. [5] It is often used as the hydrochloride salt, medetomidine hydrochloride, a crystalline white solid that can be administered as an intravenous drug solution with sterile water.
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Atipamezole is a competitive antagonist at ɑ 2-adrenergic receptors that competes with dexmedetomidine, an ɑ 2-adrenergic receptors agonist. It does not directly interact with dexmedetomidine; [34] rather, their structural similarity allows atipamezole to easily compete for receptor binding sites. [12]