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Sedation is the reduction of irritability or agitation by administration of sedative drugs, generally to facilitate a medical procedure or diagnostic procedure. Examples of drugs which can be used for sedation include isoflurane, diethyl ether, propofol, etomidate, ketamine, pentobarbital, lorazepam and midazolam. [1]
A chemical restraint is a form of medical restraint in which a drug is used to restrict the freedom or movement of a patient or in some cases to sedate the patient. Chemical restraint is used in emergency, acute, and psychiatric settings to perform surgery or to reduce agitation, aggression or violent behaviours; [a] it may also be used to control or punish unruly behaviours. [2]
The pharmacological agents used differ depending on patient, level of sedation desired and medical professional administering the sedation medications. The medications can belong to a class of drugs called sedatives, which exert their action by depressing the central nervous system, specifically those areas concerned with conscious awareness ...
The term sedative describes drugs that serve to calm or relieve anxiety, whereas the term hypnotic describes drugs whose main purpose is to initiate, sustain, or lengthen sleep. Because these two functions frequently overlap, and because drugs in this class generally produce dose-dependent effects (ranging from anxiolysis to loss of ...
Procedural sedation and analgesia (PSA) is a technique in which a sedating/dissociative medication is given, usually along with an analgesic medication, in order to perform non-surgical procedures on a patient. The overall goal is to induce a decreased level of consciousness while maintaining the patient's ability to breathe on their own.
Chemical restraint, such as forcible injection with the antipsychotic haloperidol or benzodiazepine sedative midazolam, may be used to sedate a patient who is agitated. [ 36 ] : 624 [ 37 ] : 152 In some countries, antipsychotics and sedatives can be forcibly administered to those who are committed , using intramuscular depot injection . [ 38 ]
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Inhalation sedation using nitrous oxide has a long history of safe use in both medicine and dentistry. It can therefore be used safely in most patients in the dental setting. [5] However, in some patients sedation with nitrous oxide would be unsuitable. Some examples are below. A patient who is unable to use a nasal mask.
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