known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way high blood pressure take medications treat high blood pressure heart attack angina chest pain feel heart beating fast racing irregularly missing beat feel palpitations feel heart beating irregularly disorganized pattern traveled country last 4 weeks
atrial fibrillation pulmonary embolism psvt myocarditis scombroid food poisoning acute dystonic reactions possible nstemi / stemi pulmonary neoplasm
Atrial fibrillation