Use and abuse of direct current shock.
D001281:Atrial Fibrillation / Q000628:therapy; D001282:Atrial Flutter / Q000628:therapy; D004070:Digitalis; D004554:Electric Countershock / Q000009:adverse effects; D006801:Humans; D010946:Plants, Medicinal; D010947:Plants, Toxic; D012849:Sinoatrial Node / Q000503:physiopathology; D013610:Tachycardia / Q000628:therapy*; D014693:Ventricular Fibrillation / Q000628:therapy