<unk> , also known as<unk>  poisoning, is a type of poisoning that occurs in people who take too much of the medication<unk>  or eat plants such as foxglove that contain a similar substance. Symptoms are typically vague. They may include vomiting, loss of appetite, confusion, blurred vision, changes in color perception, and decreased energy. Potential complications include an irregular heartbeat, which can be either too fast or too slow.<unk>  may occur over a short period of time following an overdose or gradually during long-term treatment. Risk factors include low potassium, low magnesium, and high calcium.<unk>  is a medication used for heart failure or atrial fibrillation. An electrocardiogram is a routine part of diagnosis. Blood levels are only useful more than six hours following the last dose. Activated charcoal may be used if it can be given within two hours of the person taking the medication. Atropine may be used if the heart rate is slow while magnesium sulfate may be used in those with premature ventricular contractions. Treatment of severe<unk>  is with<unk> -specific antibody fragments. Its use is recommended in those who have a serious dysrhythmia, are in cardiac arrest, or have a potassium of greater than 5 mmol/L. Low blood potassium or magnesium should also be corrected.<unk>  may reoccur within a few days after treatment. In Australia in 2012 there were about 140 documented cases. This is a decrease by half since 1994 as a result of decreased usage of<unk> . In the United States 2500 cases were reported in 2011 which resulted in 27 deaths. The condition was first described in 1785 by William Withering.
Digoxin toxicity
Beta blocker
Tachycardia-induced cardiomyopathy
Hyperkalemia
Drug-induced QT prolongation
Hypothyroidism
Uremic pericarditis
Acute coronary syndrome