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