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Ketamine also relieves bronchospasm by relaxing bronchiolar smooth muscles. However, it increases oral secretions during intubation. Ketamine is associated with nightmares, delirium, and hallucinations. [8] Propofol – It is a highly lipid-soluble, GABA agonist. [15] The dosage is 1.5 mg/kg (usually 100 to 200 mg).
Etomidate [3] (USAN, INN, BAN; marketed as Amidate) is a short-acting intravenous anaesthetic agent used for the induction of general anaesthesia and sedation [4] for short procedures such as reduction of dislocated joints, tracheal intubation, cardioversion and electroconvulsive therapy.
Ketamine potentiates the sedative effects of propofol [86] and midazolam. [87] Naltrexone potentiates psychotomimetic effects of a low dose of ketamine, [88] while lamotrigine [38] and nimodipine [39] decrease them. Clonidine reduces the increase of salivation, heart rate, and blood pressure during ketamine anesthesia and decreases the ...
A one-year study in a teaching hospital shows that dogs and cats typically experience a 1 in 9 chance of anesthetic complications, with a 1 in 233 risk of death. [12] A larger-scale study states the risk of death in healthy dogs and cats as 1 in 1849 and 1 in 895 respectively. For sick dogs and cats, it was 1 in 75 and 1 in 71 respectively.
Midazolam is known to cause respiratory depression. In healthy humans, 0.15 mg/kg of midazolam may cause respiratory depression, which is postulated to be a central nervous system (CNS) effect. [48] When midazolam is administered in combination with fentanyl, the incidence of hypoxemia or apnea becomes more likely. [49]
The most common standard conscious sedation technique for adults is intravenous sedation using Midazolam. This requires a needle to be put into a vein to deliver the medication; this is known as an IV cannula. [citation needed] Indications: [citation needed] Reduced dental anxiety and phobia; Traumatic or prolonged dental procedures
The fixed-dose procedure (FDP), proposed in 1992 by the British Toxicology Society, is a method to assess a substance's acute oral toxicity. [ 1 ] [ 2 ] In comparison to the older LD 50 test developed in 1927, this procedure produces similar results while using fewer animals and causing less pain and suffering. [ 3 ]
A study looking into the antidepressant properties of ketamine using zebrafish as subjects found that when exposed to small amounts of ketamine (2 mg/L), zebrafish displayed more aggressive behavior. However, when the zebrafish were exposed to higher doses of ketamine (20 mg/L & 40 mg/L), their aggressive behavior subsided.