• Atropine, a naturally occurring belladonna alkaloid, is a racemic mixture of equal parts of d- and l-hyoscyamine, whose activity is due almost entirely to the levo isomer of the drug. (pharmacycode.com)
  • Atropine is commonly classified as an anticholinergic or antiparasympathetic (parasympatholytic) drug. (pharmacycode.com)
  • However, in patients with severe bradycardia or those with the possibility of progression to higher-degree AV block, medications (eg, atropine, isoproterenol) can be used in anticipation of insertion of a cardiac pacemaker. (medscape.com)
  • Atropine increases heart rate through vagolytic effects, causing increase in cardiac output. (medscape.com)
  • Atropine may also lessen the degree of partial heart block when vagal activity is an etiologic factor. (pharmacycode.com)
  • ATROPEN is a cholinergic muscarinic antagonist indicated for the treatment of poisoning by susceptible organophosphorus nerve agents having cholinesterase activity as well as organophosphorus or carbamate insecticides in adult and pediatric patients. (nih.gov)