diagnosed hyperthyroidism known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way diabetes feel slightly dizzy lightheaded known heart defect feel heart beating irregularly disorganized pattern traveled country last 4 weeks
atrial fibrillation psvt anemia guillain-barré syndrome myocarditis scombroid food poisoning acute dystonic reactions myasthenia gravis anaphylaxis sle chagas
Atrial fibrillation