Drugs acting on the heart.
D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000889:Anti-Arrhythmia Agents; D006321:Heart / Q000187:drug effects; D006439:Hemodynamics / Q000187:drug effects; D011802:Quinidine / Q000494:pharmacology
D000319:Adrenergic beta-Antagonists; D000889:Anti-Arrhythmia Agents; D011802:Quinidine