Selective cholinergic stimulation and blockade of the sinus node by direct perfusion through its artery.
D000109:Acetylcholine; D001158:Arteries; D001285:Atropine; D018678:Cholinergic Agents; D006329:Heart Conduction System; D006584:Hexamethonium Compounds; D010477:Perfusion; D010830:Physostigmine; D012849:Sinoatrial Node; D014294:Trimethaphan
D018678:Cholinergic Agents; D006584:Hexamethonium Compounds; D014294:Trimethaphan; D001285:Atropine; D010830:Physostigmine; D000109:Acetylcholine
ACETYLCHOLINE; ATROPINE; HEART CONDUCTION SYSTEM; HEXAMETHONIUM COMPOUNDS; PERFUSION; PHYSOSTIGMINE; TRIMETHAPHAN