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For symptomatic bradycardia, the usual dosage is 0.5 to 1 mg IV push; this may be repeated every 3 to 5 minutes, up to a total dose of 3 mg (maximum 0.04 mg/kg). [ 23 ] Atropine is also useful in treating second-degree heart block Mobitz type 1 (Wenckebach block) , and also third-degree heart block with a high Purkinje or AV-nodal escape rhythm .
The typical dose is 1.5 mg/kg IV given three minutes prior to intubation. [34] Atropine may also be used as a premedication agent in pediatrics to prevent bradycardia caused by hypoxia, laryngoscopy, and succinylcholine. Atropine is a parasympathetic blocker. The common premedication dose for atropine is 0.01–0.02 mg/kg.
Atropine; Steroids. Dexamethasone (Decadron) is given in low dose at the onset of a general anesthetic as an effective antiemetic. It is also used in chemotherapy as a single drug as well as with other antiemetics such as 5-HT 3 receptor antagonists and NK1 receptor antagonist, but the specific mechanism of action is not fully understood. [17 ...
When atropine and pralidoxime are used together, the signs of atropinization (flushing, mydriasis, tachycardia, dryness of the mouth and nose) may occur earlier than might be expected when atropine is used alone. This is especially true if the total dose of atropine has been large and the administration of pralidoxime has been delayed.
Examples of preanesthetic agents are: Acepromazine [1]; atropine [1]; diazepam [1]; Scopolamine; Opioid analgesics, such as morphine, pethidine and buprenorphine.; These drugs are used before the administration of an anesthetic to improve patient comfort, reduce possible side effects such as Postanesthetic shivering, relieve pain, and increase the effectiveness of the anesthetic.
Ipratropium is a derivative of atropine [3] but is a quaternary amine and therefore does not cross the blood–brain barrier, which prevents central side effects. Ipratropium should never be used in place of salbutamol (albuterol) as a rescue medication.
In pharmacokinetics, a loading dose is an initial higher dose of a drug that may be given at the beginning of a course of treatment before dropping down to a lower maintenance dose. [1] A loading dose is most useful for drugs that are eliminated from the body relatively slowly, i.e. have a long systemic half-life.
The Mark I NAAK (left) and its training kit (right) In the United States military, the Mark I NAAK, or MARK I Kit, ("Nerve Agent Antidote Kit") is a dual-chamber autoinjector: Two anti-nerve agent drugs—atropine sulfate and pralidoxime chloride—each in injectable form, constitute the kit.