title: Effective plasma concentration of N-acetylprocainamide in rats.
abstract: Six groups of rats received saline or N-Acetylprocainamide (NAPA) 2--50 mg/kg, intraperitoneally. Thirty minutes later heart rates were measured and simultaneously a blood sample was withdrawn from each rat. There was a linear relationship between plasma concentrations and the administered doses, suggesting linear pharmacokinetics for NAPA. The heart rate was decreased significantly when the average NAPA plasma concentration was 16.8 microgram/ml, which is similar to that found in man.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D006339:Heart Rate / Q000187:drug effects; D008297:Male; D011342:Procainamide / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood / Q000494:pharmacology; D051381:Rats
chemical_list: D011342:Procainamide