Digoxin Digitalis

• Facts:
  Cardiac glycoside
  Has narrow therapeutic index
• Complications:
  Toxicity causes ectopy and increased vagal tone
  Atrial tachycardia with AV block
  Verapamil increases digoxin concentrations, predispose to toxicity
• Indications:
  Atrial fibrillation
  Atrial flutter
  Congestive Heart Failure
• Side Effects:
  Visual disturbances ("yellow halos")
  Gastrointestinal (eg. anorexia, nausea, vomiting )