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  2. Atropine - Wikipedia

    en.wikipedia.org/wiki/Atropine

    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.

  3. Cardiac arrest - Wikipedia

    en.wikipedia.org/wiki/Cardiac_arrest

    The use of atropine, lidocaine, and amiodarone have not been shown to improve survival from cardiac arrest. [116] [117] [81] Atropine is used for symptomatic bradycardia. It is given at a does of 1 mg (iv), and additional 1 mg (iv) doses can be given every 3–5 minutes for a total of 3 mg.

  4. Muscarinic antagonist - Wikipedia

    en.wikipedia.org/wiki/Muscarinic_antagonist

    Acetylcholine hyperpolarizes the sinoatrial node; this is overcome by MRAs, and thus they increase the heart rate. If atropine is given by intramuscular or subcutaneous injection, it causes initial bradycardia. This is because when administered intramuscularly or subcutaneously atropine acts on presynaptic M1 receptors (autoreceptors).

  5. Cholinergic blocking drug - Wikipedia

    en.wikipedia.org/wiki/Cholinergic_blocking_drug

    In the 1850s, atropine was used as antispasmodic in asthma treatment and as morphine antidote for its mydriatic effect. [4] Bezold and Bloebaum showed that atropine blocked the effects of vagal stimulation on the heart in 1867. Subsequently in 1872, Heidenhain found its ability to prevent salivary secretion. [6]

  6. Anticholinergic - Wikipedia

    en.wikipedia.org/wiki/Anticholinergic

    Organophosphate based nerve agent poisoning, such as VX, sarin, tabun, and soman (atropine is favoured in conjunction with an oxime, usually pralidoxime) [6] [7] Anticholinergics generally have antisialagogue effects (decreasing saliva production), and most produce some level of sedation, both being advantageous in surgical procedures.

  7. Calcium channel blocker - Wikipedia

    en.wikipedia.org/wiki/Calcium_channel_blocker

    Intravenous calcium gluconate (or calcium chloride if a central line is available) and atropine are first-line therapies. If the time of the overdose is known and presentation is within two hours of ingestion , activated charcoal , gastric lavage , and polyethylene glycol may be used to decontaminate the gut.

  8. Atropine/diphenoxylate - Wikipedia

    en.wikipedia.org/wiki/Atropine/diphenoxylate

    Diphenoxylate/atropine, also known as co-phenotrope and sold under the brand name Lomotil among others, is used to treat diarrhea. [2] [3] It is a fixed-dose combination of the medications diphenoxylate, as the hydrochloride, an antidiarrheal; and atropine, as the sulfate, an anticholinergic. [1] It is taken by mouth. [2] Onset is typically ...

  9. Oculocardiac reflex - Wikipedia

    en.wikipedia.org/wiki/Oculocardiac_reflex

    The reflex can be blocked by intravenous injection of an anti-muscarinic acetylcholine (ACh) antagonist, such as atropine or glycopyrrolate. If bradycardia does occur, removal of the stimulus is immediately indicated. This often results in the restoration of normal sinus rhythm of the heart.