Cardiac arrhythmias in patients admitted to a medical department.
D000367:Age Factors; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000453:epidemiology*; D001281:Atrial Fibrillation / Q000453:epidemiology; D001282:Atrial Flutter / Q000453:epidemiology; D005260:Female; D006327:Heart Block / Q000453:epidemiology; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009664:Norway; D011446:Prospective Studies; D012737:Sex Factors; D013610:Tachycardia / Q000453:epidemiology