known issue heart valves experiencing shortness breath difficulty breathing significant way diabetes 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