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