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Changes in the normal ECG pattern occur in numerous cardiac abnormalities , including cardiac rhythm disturbances ( such as atrial fibrillation and ventricular tachycardia ) , inadequate coronary artery blood flow ( such as myocardial ischemia and myocardial infarction ) , and electrolyte disturbances ( such as hypokalemia and hyperkalemia ) .
 disease: atrial fibrillation; disease: ventricular tachycardia; disease: myocardial infarction; disease: hypokalemia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 disease: atrial fibrillation; disease: ventricular tachycardia; disease: myocardial infarction; disease: hypokalemia