Arrhythmias (general) low Copper high or low Magnesium low Potassium Atrial Fibrillation high Niacin Bradycardia (at rest) low Potassium low Protein-Calorie low Thiamiine (beriberi) Cardiomyopathy low Selenium Congestive Heart Failure high Sodium low Thiamine (beriberi)(high-output) Dyspnea high Thiamine low Thiamine (beriberi)(on exertion) Myocardial Infarction low Copper Myocarditis low Thiamine (beriberi) Palpitations low Calcium low Iron (exertional) low Thiamine low vitamin B12 Pericardial Pain (pseudoangina) low Thiamine (beriberi)(on exertion) Tachycardia low Magnesium low Molybdenum low Pantothenic Acid high Thiamine low Thiamine (beriberi)(on exertion)
