The influence of calcium antagonists on the maximum inotropic effect on and the toxicity of digoxin and digitoxin in the isolated electrically driven guinea pig atrium.
D000818:Animals; D002118:Calcium / Q000037:antagonists & inhibitors*; D002217:Carbachol / Q000494:pharmacology; D004074:Digitoxin / Q000494:pharmacology*; D004077:Digoxin / Q000494:pharmacology*; D004347:Drug Interactions; D004558:Electric Stimulation; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009200:Myocardial Contraction / Q000187:drug effects*; D014700:Verapamil / Q000494:pharmacology
D004077:Digoxin; D002217:Carbachol; D014700:Verapamil; D004074:Digitoxin; D002118:Calcium