diagnosed hyperthyroidism severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way diabetes high blood pressure take medications treat high blood pressure feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks symptoms increased physical exertion alleviated rest
psvt myocarditis panic attack atrial fibrillation scombroid food poisoning acute dystonic reactions anemia possible nstemi / stemi pulmonary neoplasm pulmonary embolism
Atrial fibrillation